Pith Number

pith:ASLJPHJU

pith:2010:ASLJPHJUZEWNOQTDOUGBIVCBIK

not attested not anchored not stored refs pending

Talbot Workshop 2010 Talk 2: K-Theory and Index Theory

Chris Kottke

arxiv:1010.5002 v1 · 2010-10-24 · math.KT · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ASLJPHJUZEWNOQTDOUGBIVCBIK}

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	2026-05-18T04:38:49.609225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0496979d34c92cd74263750c145441428bba8df111f280e9e6c7071f9be9a889

Aliases

arxiv: 1010.5002 · arxiv_version: 1010.5002v1 · doi: 10.48550/arxiv.1010.5002 · pith_short_12: ASLJPHJUZEWN · pith_short_16: ASLJPHJUZEWNOQTD · pith_short_8: ASLJPHJU

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/ASLJPHJUZEWNOQTDOUGBIVCBIK \
  | 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: 0496979d34c92cd74263750c145441428bba8df111f280e9e6c7071f9be9a889

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e3b7849892daa67765262b8a10a589074022bac0246ff86c050ef8c04f2f999",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2010-10-24T21:05:40Z",
    "title_canon_sha256": "229a7e140f0ba5bf7503f4cff63b1de9c4c5fa25324c66de77f82911283e93af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5002",
    "kind": "arxiv",
    "version": 1
  }
}