Pith Number

pith:KL6D7NDD

pith:2012:KL6D7NDD6Y6EVVOK4V4SH4YRMO

not attested not anchored not stored refs pending

Logical segmentation for article extraction in digitized old newspapers

David H\'ebert (LITIS), Pierrick Tranouez (LITIS), St\'ephane Nicolas (LITIS), Thierry Paquet (LITIS), Thomas Palfray (LITIS)

arxiv:1210.0999 v1 · 2012-10-03 · cs.IR · cs.CV · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KL6D7NDD6Y6EVVOK4V4SH4YRMO}

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	2026-05-18T03:44:13.120064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52fc3fb463f63c4ad5cae57923f311639c7fb3f35b4668142f31681ec1e32d59

Aliases

arxiv: 1210.0999 · arxiv_version: 1210.0999v1 · doi: 10.48550/arxiv.1210.0999 · pith_short_12: KL6D7NDD6Y6E · pith_short_16: KL6D7NDD6Y6EVVOK · pith_short_8: KL6D7NDD

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/KL6D7NDD6Y6EVVOK4V4SH4YRMO \
  | 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: 52fc3fb463f63c4ad5cae57923f311639c7fb3f35b4668142f31681ec1e32d59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7edb680fa445c0daf36ce491a7a503fc73d1fdd8d85e17da822cc770785311f0",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2012-10-03T06:24:25Z",
    "title_canon_sha256": "56a07eaca3025f13b19f69c948ae58546312c836920ee3ed2fc6e479bef34940"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.0999",
    "kind": "arxiv",
    "version": 1
  }
}