diff --git a/frontend/src/components/modal/ProvenancePanel.vue b/frontend/src/components/modal/ProvenancePanel.vue
new file mode 100644
index 0000000..5b3dcd3
--- /dev/null
+++ b/frontend/src/components/modal/ProvenancePanel.vue
@@ -0,0 +1,127 @@
+<template>
+  <section v-if="show" class="fc-prov" aria-label="Provenance">
+    <h3 class="fc-prov__title">Provenance</h3>
+
+    <v-progress-circular
+      v-if="state && state.loading" indeterminate color="accent" size="22"
+    />
+    <v-alert
+      v-else-if="state && state.error" type="error" variant="tonal"
+      density="compact"
+    >{{ state.error }}</v-alert>
+
+    <template v-else>
+      <article
+        v-for="e in state.entries" :key="e.provenance_id" class="fc-prov__card"
+      >
+        <div class="fc-prov__head">
+          <span class="fc-prov__platform">{{ e.source.platform }}</span>
+          <span v-if="postDate(e)" class="fc-prov__date">{{ postDate(e) }}</span>
+        </div>
+        <div class="fc-prov__post">
+          {{ e.post.title || `Post ${e.post.external_post_id}` }}
+        </div>
+        <div class="fc-prov__meta">
+          <RouterLink :to="`/artist/${e.artist.slug}`">
+            by {{ e.artist.name }}
+          </RouterLink>
+          <span v-if="e.post.attachment_count != null">
+            · {{ e.post.attachment_count }} files
+          </span>
+        </div>
+        <div class="fc-prov__actions">
+          <a
+            v-if="e.post.url" :href="e.post.url"
+            target="_blank" rel="noopener noreferrer"
+          >↗ View original post</a>
+          <a href="#" @click.prevent="openPost(e.post.id)">
+            View images from this post
+          </a>
+        </div>
+        <div
+          v-if="e.post.description_html"
+          class="fc-prov__desc" v-html="e.post.description_html"
+        />
+      </article>
+    </template>
+  </section>
+</template>
+
+<script setup>
+import { computed, watch } from 'vue'
+import { useRouter } from 'vue-router'
+import { useModalStore } from '../../stores/modal.js'
+import { useProvenanceStore } from '../../stores/provenance.js'
+import { formatPostDate } from '../../utils/date.js'
+
+const modal = useModalStore()
+const prov = useProvenanceStore()
+const router = useRouter()
+
+watch(
+  () => modal.currentImageId,
+  (id) => { if (id != null) prov.loadForImage(id) },
+  { immediate: true }
+)
+
+const state = computed(() =>
+  modal.currentImageId == null ? null : prov.imageProv(modal.currentImageId)
+)
+
+// Show the panel while loading or on error, or when there is >=1 entry.
+// Hide entirely when the image has zero provenance.
+const show = computed(() => {
+  const st = state.value
+  if (!st) return false
+  if (st.loading || st.error) return true
+  return Array.isArray(st.entries) && st.entries.length > 0
+})
+
+function postDate(e) { return formatPostDate(e.post.date) }
+
+function openPost(postId) {
+  router.push({ path: '/gallery', query: { post_id: postId } })
+  modal.close()
+}
+</script>
+
+<style scoped>
+.fc-prov { padding: 16px 16px 0; }
+.fc-prov__title {
+  font-family: 'Fraunces', Georgia, serif;
+  font-size: 18px; font-weight: 500;
+  color: rgb(var(--v-theme-on-surface));
+  margin-bottom: 12px;
+}
+.fc-prov__card {
+  border: 1px solid rgb(var(--v-theme-surface-light));
+  border-radius: 6px; padding: 10px 12px; margin-bottom: 10px;
+}
+.fc-prov__head {
+  display: flex; justify-content: space-between; align-items: baseline;
+  font-size: 12px; color: rgb(var(--v-theme-on-surface-variant));
+  text-transform: lowercase;
+}
+.fc-prov__post {
+  font-weight: 600; margin: 4px 0;
+  color: rgb(var(--v-theme-on-surface));
+}
+.fc-prov__meta {
+  font-size: 13px; color: rgb(var(--v-theme-on-surface-variant));
+  display: flex; gap: 6px; flex-wrap: wrap;
+}
+.fc-prov__meta a { color: rgb(var(--v-theme-accent)); text-decoration: none; }
+.fc-prov__actions {
+  display: flex; gap: 12px; flex-wrap: wrap;
+  margin-top: 6px; font-size: 13px;
+}
+.fc-prov__actions a {
+  color: rgb(var(--v-theme-accent)); text-decoration: none;
+}
+.fc-prov__desc {
+  margin-top: 8px; font-size: 13px; line-height: 1.5;
+  max-height: 180px; overflow: auto;
+  color: rgb(var(--v-theme-on-surface-variant));
+}
+.fc-prov__desc :deep(a) { color: rgb(var(--v-theme-accent)); }
+</style>