Pith Number

pith:AGOPFIST

pith:2019:AGOPFISTINX4XJMQOLQV6YK44T

not attested not anchored not stored refs pending

Self-Supervised Learning from Web Data for Multimodal Retrieval

Dimosthenis Karatzas, Jaume Gibert, Lluis Gomez, Raul Gomez

arxiv:1901.02004 v1 · 2019-01-07 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AGOPFISTINX4XJMQOLQV6YK44T}

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	2026-05-17T23:56:44.185945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

019cf2a253436fcba59072e15f615ce4fd6a2c4007a3e752088bfb9d17b9140c

Aliases

arxiv: 1901.02004 · arxiv_version: 1901.02004v1 · doi: 10.48550/arxiv.1901.02004 · pith_short_12: AGOPFISTINX4 · pith_short_16: AGOPFISTINX4XJMQ · pith_short_8: AGOPFIST

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/AGOPFISTINX4XJMQOLQV6YK44T \
  | 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: 019cf2a253436fcba59072e15f615ce4fd6a2c4007a3e752088bfb9d17b9140c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99f470159b6b84c1277b5206fd626a35c2f8b28f328796d683fbd99fc8249fcc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-07T14:34:49Z",
    "title_canon_sha256": "f47dea5cfa71e73d43ba7a501f8351e668db0b7459498a3480aa6b87e86b519c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02004",
    "kind": "arxiv",
    "version": 1
  }
}