Pith Number

pith:5CQELEAW

pith:2010:5CQELEAWX4SINZUI4GRUUX6RUM

not attested not anchored not stored refs pending

An Inverse K-Theory Functor

Michael A. Mandell

arxiv:1002.3622 v2 · 2010-02-18 · math.KT · 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{5CQELEAWX4SINZUI4GRUUX6RUM}

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	2026-05-18T04:36:51.275257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8a0459016bf2486e688e1a34a5fd1a32c25044fd7946d0fc9e0aba8d1e80b92

Aliases

arxiv: 1002.3622 · arxiv_version: 1002.3622v2 · doi: 10.48550/arxiv.1002.3622 · pith_short_12: 5CQELEAWX4SI · pith_short_16: 5CQELEAWX4SINZUI · pith_short_8: 5CQELEAW

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/5CQELEAWX4SINZUI4GRUUX6RUM \
  | 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: e8a0459016bf2486e688e1a34a5fd1a32c25044fd7946d0fc9e0aba8d1e80b92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a70c157201692d980eb9fdf6f46e8da4f54989e7e48373eeab5707d0fd9b2917",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2010-02-18T21:19:03Z",
    "title_canon_sha256": "7ad64d12ce05e3edd97f38873433ba0fd5f52a699f8b98fa12b27ef175c2d11b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3622",
    "kind": "arxiv",
    "version": 2
  }
}