Pith Number

pith:VXFRS3CQ

pith:2015:VXFRS3CQXTRNS5MCJXHSMYOUNH

not attested not anchored not stored refs pending

Purity, formality, and arrangement complements

Cl\'ement Dupont

arxiv:1505.00717 v2 · 2015-05-04 · math.AG · 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{VXFRS3CQXTRNS5MCJXHSMYOUNH}

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	2026-05-18T01:03:20.488159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

adcb196c50bce2d975824dcf2661d469cdeaca1d17e9688ca09b77038ae217c3

Aliases

arxiv: 1505.00717 · arxiv_version: 1505.00717v2 · doi: 10.48550/arxiv.1505.00717 · pith_short_12: VXFRS3CQXTRN · pith_short_16: VXFRS3CQXTRNS5MC · pith_short_8: VXFRS3CQ

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/VXFRS3CQXTRNS5MCJXHSMYOUNH \
  | 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: adcb196c50bce2d975824dcf2661d469cdeaca1d17e9688ca09b77038ae217c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "beb46dd427eaf98081ab651fd5f571670b809c4a6a6c88710823fe378c9b53d0",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-05-04T17:08:55Z",
    "title_canon_sha256": "feb5275d516f480268eae3747e7164594d391ea7a52f3b10a571be7cb93229b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00717",
    "kind": "arxiv",
    "version": 2
  }
}