Pith Number

pith:2HL7CICZ

pith:2013:2HL7CICZQFL6E65P6ASP25PJ5Q

not attested not anchored not stored refs pending

Good Recognition is Non-Metric

Michael Eckmann, Michael J. Wilber, Terrance E. Boult, Walter J. Scheirer

arxiv:1302.4673 v1 · 2013-02-19 · 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{2HL7CICZQFL6E65P6ASP25PJ5Q}

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	2026-05-18T03:33:12.491775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1d7f120598157e27baff024fd75e9ec306d024424e582a161887ced5f965422

Aliases

arxiv: 1302.4673 · arxiv_version: 1302.4673v1 · doi: 10.48550/arxiv.1302.4673 · pith_short_12: 2HL7CICZQFL6 · pith_short_16: 2HL7CICZQFL6E65P · pith_short_8: 2HL7CICZ

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/2HL7CICZQFL6E65P6ASP25PJ5Q \
  | 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: d1d7f120598157e27baff024fd75e9ec306d024424e582a161887ced5f965422

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a3832c6e7eaee34e56af578dc71ccf554b345e9dc112b2025444e99c167a62f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-02-19T17:02:34Z",
    "title_canon_sha256": "9cb8561478dc25afca4b2a0ca0b4c307b0fd64dcf7a52c1e6c211e3019938fa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4673",
    "kind": "arxiv",
    "version": 1
  }
}