Pith Number

pith:SOFR2DF4

pith:2026:SOFR2DF4JU3SYB3I2ZJCI7LMJ6

not attested not anchored not stored refs pending

ICDAR 2026 HIPE-OCRepair Competition on LLM-Assisted OCR Post-Correction for Historical Documents

Andrianos Michail, Emanuela Boros, Florian Wagner, Juri Opitz, Maud Ehrmann, Simon Clematide

arxiv:2607.08143 v1 · 2026-07-09 · cs.CL · cs.AI · 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{SOFR2DF4JU3SYB3I2ZJCI7LMJ6}

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	2026-07-10T01:19:27.758601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

938b1d0cbc4d372c0768d652247d6c4f817e2d68709263e7eb5e8c23d9bc25b3

Aliases

arxiv: 2607.08143 · arxiv_version: 2607.08143v1 · doi: 10.48550/arxiv.2607.08143 · pith_short_12: SOFR2DF4JU3S · pith_short_16: SOFR2DF4JU3SYB3I · pith_short_8: SOFR2DF4

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/SOFR2DF4JU3SYB3I2ZJCI7LMJ6 \
  | 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: 938b1d0cbc4d372c0768d652247d6c4f817e2d68709263e7eb5e8c23d9bc25b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bc4f94409188ca150d2100cd9d7a1876a26bc33d42b8b5fcaadbfb4bd9d86c6",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-09T06:26:13Z",
    "title_canon_sha256": "ea322e871d8ff9d8ad376944e132a6f072b7acdfd7d706b0ea47ec8a34481915"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.08143",
    "kind": "arxiv",
    "version": 1
  }
}