Pith Number

pith:7O5QAWXW

pith:2017:7O5QAWXWAIHEMDIAEXNEHYLADR

not attested not anchored not stored refs pending

Profiling of OCR'ed Historical Texts Revisited

Florian Fink, Klaus-U. Schulz, Uwe Springmann

arxiv:1701.05377 v1 · 2017-01-19 · 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{7O5QAWXWAIHEMDIAEXNEHYLADR}

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	2026-05-18T00:52:30.059180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbbb005af6020e460d0025da43e1601c6f0c852b6704aafa55117c8aca5788ee

Aliases

arxiv: 1701.05377 · arxiv_version: 1701.05377v1 · doi: 10.48550/arxiv.1701.05377 · pith_short_12: 7O5QAWXWAIHE · pith_short_16: 7O5QAWXWAIHEMDIA · pith_short_8: 7O5QAWXW

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/7O5QAWXWAIHEMDIAEXNEHYLADR \
  | 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: fbbb005af6020e460d0025da43e1601c6f0c852b6704aafa55117c8aca5788ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5aad386a94afbf8a1b886b6c924f1a05825a25cc9639f1b35275f72fa6ca678f",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-01-19T11:31:14Z",
    "title_canon_sha256": "bb74be3e642b8169d6f9ea2d05dec305bfff91800cc9369b59f95e0e42c668d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05377",
    "kind": "arxiv",
    "version": 1
  }
}