Pith Number

pith:3N2WDKFB

pith:2010:3N2WDKFBCKQJUQULHXJM6MGKVA

not attested not anchored not stored refs pending

Higher-dimensional normalisation strategies for acyclicity

Philippe Malbos, Yves Guiraud

arxiv:1011.0558 v3 · 2010-11-02 · math.CT · math.AT · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3N2WDKFBCKQJUQULHXJM6MGKVA}

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	2026-05-18T03:48:13.873331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db7561a8a112a09a428b3dd2cf30caa8086e23011070f54f6842092da1ecd5d5

Aliases

arxiv: 1011.0558 · arxiv_version: 1011.0558v3 · doi: 10.48550/arxiv.1011.0558 · pith_short_12: 3N2WDKFBCKQJ · pith_short_16: 3N2WDKFBCKQJUQUL · pith_short_8: 3N2WDKFB

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/3N2WDKFBCKQJUQULHXJM6MGKVA \
  | 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: db7561a8a112a09a428b3dd2cf30caa8086e23011070f54f6842092da1ecd5d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed7a26a66e0e58129f3830f1f7132d836fbac2f4326632b8f3b42b154a9c87d9",
    "cross_cats_sorted": [
      "math.AT",
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2010-11-02T10:00:24Z",
    "title_canon_sha256": "1ccae76a8f1bc240e2d54cf24d16ecd4e0f2ccd7cb20c0ecfc1c2606faeb63a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.0558",
    "kind": "arxiv",
    "version": 3
  }
}