Pith Number

pith:ZS62QBP3

pith:2013:ZS62QBP3DOT26EPCLEKEGRLN5T

not attested not anchored not stored refs pending

Operational K-theory

Dave Anderson, Sam Payne

arxiv:1301.0425 v3 · 2013-01-03 · math.AG · 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{ZS62QBP3DOT26EPCLEKEGRLN5T}

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	2026-05-18T01:55:43.477700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccbda805fb1ba7af11e2591443456dece357178470d602dc6dbe4b395c5177e3

Aliases

arxiv: 1301.0425 · arxiv_version: 1301.0425v3 · doi: 10.48550/arxiv.1301.0425 · pith_short_12: ZS62QBP3DOT2 · pith_short_16: ZS62QBP3DOT26EPC · pith_short_8: ZS62QBP3

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/ZS62QBP3DOT26EPCLEKEGRLN5T \
  | 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: ccbda805fb1ba7af11e2591443456dece357178470d602dc6dbe4b395c5177e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "127a4956ad5edaf0172ec56876e3351df8c86955270b78f1138273ba56956f65",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-01-03T11:37:32Z",
    "title_canon_sha256": "2096f215ac84934f403f8fe3943a95e6dcee781dd3b86533617c19fedebe0900"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0425",
    "kind": "arxiv",
    "version": 3
  }
}