Pith Number

pith:4XFFC5QC

pith:2013:4XFFC5QCUHA35WIWWEWGKHN7KX

not attested not anchored not stored refs pending

Saying What You're Looking For: Linguistics Meets Video Search

Andrei Barbu, Jeffrey Mark Siskind, N. Siddharth

arxiv:1309.5174 v1 · 2013-09-20 · cs.CV · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4XFFC5QCUHA35WIWWEWGKHN7KX}

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	2026-05-18T03:12:47.380819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5ca517602a1c1bed916b12c651dbf55f48f005b3d3fd6448a3ce087b97288a1

Aliases

arxiv: 1309.5174 · arxiv_version: 1309.5174v1 · doi: 10.48550/arxiv.1309.5174 · pith_short_12: 4XFFC5QCUHA3 · pith_short_16: 4XFFC5QCUHA35WIW · pith_short_8: 4XFFC5QC

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/4XFFC5QCUHA35WIWWEWGKHN7KX \
  | 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: e5ca517602a1c1bed916b12c651dbf55f48f005b3d3fd6448a3ce087b97288a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e96774d4d81c05041a8149254af3b57230e5c10d1f45d2af864cd62541fee351",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-09-20T05:07:29Z",
    "title_canon_sha256": "3608475afe9cf26b10f37c6698ba50144567e488c5adabbbb44a7ab5edf09618"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5174",
    "kind": "arxiv",
    "version": 1
  }
}