Pith Number

pith:S74YAHKW

pith:2012:S74YAHKWMW3VZKTQBVBVMREVNJ

not attested not anchored not stored refs pending

PCA-Based Relevance Feedback in Document Image Retrieval

Fariborz Mahmoudi, Reza Tavoli

arxiv:1209.2274 v1 · 2012-09-11 · 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{S74YAHKWMW3VZKTQBVBVMREVNJ}

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	2026-05-18T03:45:52.362070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97f9801d5665b75caa700d435644956a4b8063e22928ec93eaf4c2474f86e06b

Aliases

arxiv: 1209.2274 · arxiv_version: 1209.2274v1 · doi: 10.48550/arxiv.1209.2274 · pith_short_12: S74YAHKWMW3V · pith_short_16: S74YAHKWMW3VZKTQ · pith_short_8: S74YAHKW

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/S74YAHKWMW3VZKTQBVBVMREVNJ \
  | 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: 97f9801d5665b75caa700d435644956a4b8063e22928ec93eaf4c2474f86e06b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "629dc6c371e2203a49bf3b7fcf2bce5dd48d0dc45a82f5f6037a8cfd0ec2bba9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2012-09-11T10:02:47Z",
    "title_canon_sha256": "1504b5ba3ab8217b2fe74fd3957fd542382ce5d90588b4f7622cfee3430e5796"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2274",
    "kind": "arxiv",
    "version": 1
  }
}