Pith Number

pith:KPPPUDTO

pith:2012:KPPPUDTOIGBAUXS2Q5GLVULQF7

not attested not anchored not stored refs pending

Von Neumann Categories

Marc Comeau, Richard Blute

arxiv:1209.0124 v1 · 2012-09-01 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPPPUDTOIGBAUXS2Q5GLVULQF7}

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	2026-05-18T03:46:29.862104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53defa0e6e41820a5e5a874cbad1702fda42d4cd1e7e45ad2656a58295b0ea79

Aliases

arxiv: 1209.0124 · arxiv_version: 1209.0124v1 · doi: 10.48550/arxiv.1209.0124 · pith_short_12: KPPPUDTOIGBA · pith_short_16: KPPPUDTOIGBAUXS2 · pith_short_8: KPPPUDTO

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/KPPPUDTOIGBAUXS2Q5GLVULQF7 \
  | 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: 53defa0e6e41820a5e5a874cbad1702fda42d4cd1e7e45ad2656a58295b0ea79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "725e664c38352b8eda6448b98d8d79a8b298c4342dc78f189e2bf8441c404092",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2012-09-01T19:13:55Z",
    "title_canon_sha256": "4aa4eba1e01ae5c43e14416eb8a861aa592f71610ebcd40f75b824ea06ccedef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.0124",
    "kind": "arxiv",
    "version": 1
  }
}