Pith Number

pith:7J2QX7YQ

pith:2026:7J2QX7YQ5SH5ZBDMYMDXPBQZGT

not attested not anchored not stored refs pending

Multimodal and Multiscale Spatial-Temporal Semantic Search and Recommendation with AI Foundation Models

Anna Liljedahl, Chitta Baral, Michael Brook, Michael Brubaker, Wenwen Li, Xiao Chen, Yuanyuan Tian

arxiv:2606.28369 v1 · 2026-06-15 · cs.IR · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7J2QX7YQ5SH5ZBDMYMDXPBQZGT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-06-30T00:15:12.181046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa750bff10ec8fdc846cc30777861934dcddfabbe2e05e6606b8ef70578a61d9

Aliases

arxiv: 2606.28369 · arxiv_version: 2606.28369v1 · doi: 10.48550/arxiv.2606.28369 · pith_short_12: 7J2QX7YQ5SH5 · pith_short_16: 7J2QX7YQ5SH5ZBDM · pith_short_8: 7J2QX7YQ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/7J2QX7YQ5SH5ZBDMYMDXPBQZGT \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: fa750bff10ec8fdc846cc30777861934dcddfabbe2e05e6606b8ef70578a61d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d272d4d24242d68ec75f12da07021e656dd70c2dbbb52283342c3e724c1bab6",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-06-15T15:02:30Z",
    "title_canon_sha256": "40935c1bc6b60571e0e985ecd19a0ab2aa3a5ced0d6ffefbce833bfd99409407"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28369",
    "kind": "arxiv",
    "version": 1
  }
}