Pith Number

pith:EZ37OR3I

pith:2012:EZ37OR3INII24M4ZUSRIDFMMLZ

not attested not anchored not stored refs pending

Categorification of persistent homology

Jonathan A. Scott, Peter Bubenik

arxiv:1205.3669 v3 · 2012-05-16 · math.AT · cs.CG · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EZ37OR3INII24M4ZUSRIDFMMLZ}

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	2026-05-18T02:52:12.949080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2677f747686a11ae3399a4a281958c5e6989dd3065ac0089515d460dad87500b

Aliases

arxiv: 1205.3669 · arxiv_version: 1205.3669v3 · doi: 10.48550/arxiv.1205.3669 · pith_short_12: EZ37OR3INII2 · pith_short_16: EZ37OR3INII24M4Z · pith_short_8: EZ37OR3I

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/EZ37OR3INII24M4ZUSRIDFMMLZ \
  | 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: 2677f747686a11ae3399a4a281958c5e6989dd3065ac0089515d460dad87500b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9ffa6f05aeb83575a4fdc452a33bec46a45b4b62ead39c6ad9d9f2998d874c6",
    "cross_cats_sorted": [
      "cs.CG",
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2012-05-16T13:22:28Z",
    "title_canon_sha256": "a47f526acf8a8a655901ede154f9443f6158a52c24ad77a7da247b3999ac853c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3669",
    "kind": "arxiv",
    "version": 3
  }
}