Pith Number

pith:ECKO2CJD

pith:2015:ECKO2CJDQ43U2ONIT423KSLED6

not attested not anchored not stored refs pending

Strongly \'etale difference algebras and Babbitt's decomposition

Ivan Toma\v{s}i\'c, Michael Wibmer

arxiv:1512.00495 v2 · 2015-12-01 · math.AG · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECKO2CJDQ43U2ONIT423KSLED6}

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	2026-05-18T00:22:48.427274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2094ed092387374d39a89f35b549641fa71230d57a1ca1ad472578962985df70

Aliases

arxiv: 1512.00495 · arxiv_version: 1512.00495v2 · doi: 10.48550/arxiv.1512.00495 · pith_short_12: ECKO2CJDQ43U · pith_short_16: ECKO2CJDQ43U2ONI · pith_short_8: ECKO2CJD

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/ECKO2CJDQ43U2ONIT423KSLED6 \
  | 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: 2094ed092387374d39a89f35b549641fa71230d57a1ca1ad472578962985df70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7463a80ef50d0ad8893cb56916c8801eadcd1294d86e28266ebe2fa79acf19c4",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-12-01T21:47:23Z",
    "title_canon_sha256": "a9ebf6b45cdfa91b72aa65ec1a9bfe50dec61b826ac9c0997c11ee6c8049fc38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00495",
    "kind": "arxiv",
    "version": 2
  }
}