Pith Number

pith:2FOGSS6A

pith:2010:2FOGSS6AFSWE3MR5PJPMPGHZHA

not attested not anchored not stored refs pending

More examples of motivic cell structures

Matthias Wendt

arxiv:1012.0454 v2 · 2010-12-02 · 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{2FOGSS6AFSWE3MR5PJPMPGHZHA}

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	2026-05-18T03:57:14.389722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d15c694bc02cac4db23d7a5ec798f938131507a6bb9568118c488d24c5cc69df

Aliases

arxiv: 1012.0454 · arxiv_version: 1012.0454v2 · doi: 10.48550/arxiv.1012.0454 · pith_short_12: 2FOGSS6AFSWE · pith_short_16: 2FOGSS6AFSWE3MR5 · pith_short_8: 2FOGSS6A

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/2FOGSS6AFSWE3MR5PJPMPGHZHA \
  | 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: d15c694bc02cac4db23d7a5ec798f938131507a6bb9568118c488d24c5cc69df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e5412d0efb310ae12c9727048b463064821d5905efd19c310d98010c48b7908",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2010-12-02T15:34:13Z",
    "title_canon_sha256": "03b58c4b8ccd9f63df0f9049897b728b9252a12ffed5820c8d250a2a7bb5ef5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0454",
    "kind": "arxiv",
    "version": 2
  }
}