Pith Number

pith:FLOOZ4RB

pith:2010:FLOOZ4RBSPHVSL7IOSDIJ5LOOA

not attested not anchored not stored refs pending

Spans and simplicial families

Eduardo J. Dubuc

arxiv:1012.6001 v2 · 2010-12-29 · math.CT · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FLOOZ4RBSPHVSL7IOSDIJ5LOOA}

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	2026-05-18T00:33:53.671605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2adcecf22193cf592fe8748684f56e70129d3225d05642491eee8faf236ff98e

Aliases

arxiv: 1012.6001 · arxiv_version: 1012.6001v2 · doi: 10.48550/arxiv.1012.6001 · pith_short_12: FLOOZ4RBSPHV · pith_short_16: FLOOZ4RBSPHVSL7I · pith_short_8: FLOOZ4RB

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/FLOOZ4RBSPHVSL7IOSDIJ5LOOA \
  | 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: 2adcecf22193cf592fe8748684f56e70129d3225d05642491eee8faf236ff98e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a97201a84330065d8bde379bf28273ac8d41ee3194edcf910f14d63f7757cda",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2010-12-29T19:02:19Z",
    "title_canon_sha256": "a907204ad7b3c9d05fbe0bb123c3ca034a617c4523b7ba73e5a43568c2b9470b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.6001",
    "kind": "arxiv",
    "version": 2
  }
}