Pith Number

pith:3IK7RBGZ

pith:2014:3IK7RBGZRBA5OPAWZ537DD6CJH

not attested not anchored not stored refs pending

On minimal Poincar\'{e} $4$-complexes

Alberto Cavicchioli, Du\v{s}an Repov\v{s}, Friedrich Hegenbarth

arxiv:1403.3631 v1 · 2014-03-14 · math.GT · 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{3IK7RBGZRBA5OPAWZ537DD6CJH}

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	2026-05-18T02:56:19.850194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da15f884d98841d73c16cf77f18fc249d502c6fd2013dc0fc148ec86ffbe2200

Aliases

arxiv: 1403.3631 · arxiv_version: 1403.3631v1 · doi: 10.48550/arxiv.1403.3631 · pith_short_12: 3IK7RBGZRBA5 · pith_short_16: 3IK7RBGZRBA5OPAW · pith_short_8: 3IK7RBGZ

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/3IK7RBGZRBA5OPAWZ537DD6CJH \
  | 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: da15f884d98841d73c16cf77f18fc249d502c6fd2013dc0fc148ec86ffbe2200

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13343116868de490b38ef9653792caa0cc3d684cb97aadb7a66383d9318d6d45",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2014-03-14T16:26:26Z",
    "title_canon_sha256": "bba373c05aef2d71e02e672bb524f567a88fa58685f5daea5215127da3364f22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3631",
    "kind": "arxiv",
    "version": 1
  }
}