Pith Number

pith:QPC32UNA

pith:2014:QPC32UNAGOZCUGOOFT6KYNEXLC

not attested not anchored not stored refs pending

Labelled OSPA metric for fixed and known number of targets

\'Angel F. Garc\'ia-Fern\'andez, Jes\'us Grajal, Mark R. Morelande

arxiv:1404.3041 v2 · 2014-04-11 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QPC32UNAGOZCUGOOFT6KYNEXLC}

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	2026-05-18T02:39:08.771353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83c5bd51a033b22a19ce2cfcac349758a0acb2355679de5c32c1e54f7ee85735

Aliases

arxiv: 1404.3041 · arxiv_version: 1404.3041v2 · doi: 10.48550/arxiv.1404.3041 · pith_short_12: QPC32UNAGOZC · pith_short_16: QPC32UNAGOZCUGOO · pith_short_8: QPC32UNA

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/QPC32UNAGOZCUGOOFT6KYNEXLC \
  | 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: 83c5bd51a033b22a19ce2cfcac349758a0acb2355679de5c32c1e54f7ee85735

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94b8cb884ebe1b01e5273830bc2bdde7e003758107ec54f50c50981504bc2f45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2014-04-11T09:03:15Z",
    "title_canon_sha256": "186ba9db7bd0de3331d8339493fb55f3527a08d2e0e1932cb3a29226d2779a61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3041",
    "kind": "arxiv",
    "version": 2
  }
}