Pith Number

pith:OLDMWVFO

pith:2019:OLDMWVFO3YWEX7Z54EKCLF53VA

not attested not anchored not stored refs pending

FACSIMILE: Fast and Accurate Scans From an Image in Less Than a Second

David Smith, Javier Romero, Matthew Loper, Paris Mavroidis, Xiaochen Hu

arxiv:1909.00883 v1 · 2019-09-02 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OLDMWVFO3YWEX7Z54EKCLF53VA}

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	2026-07-05T00:01:13.832685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72c6cb54aede2c4bff3de1142597bba83c611d84b22a5ac448841c6f29f35841

Aliases

arxiv: 1909.00883 · arxiv_version: 1909.00883v1 · doi: 10.48550/arxiv.1909.00883 · pith_short_12: OLDMWVFO3YWE · pith_short_16: OLDMWVFO3YWEX7Z5 · pith_short_8: OLDMWVFO

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/OLDMWVFO3YWEX7Z54EKCLF53VA \
  | 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: 72c6cb54aede2c4bff3de1142597bba83c611d84b22a5ac448841c6f29f35841

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc44c3a228bb2efc430c4ec30e2823b57d9f7f56686fcd573659075e234e8a76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-09-02T22:39:05Z",
    "title_canon_sha256": "37817ffb9e45d3623f78ca0f5dc8cb356fafc7a286242649630014351b73238e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.00883",
    "kind": "arxiv",
    "version": 1
  }
}