Pith Number

pith:YPGXH6OP

pith:2015:YPGXH6OPZNYKIILEHYNT42V4MV

not attested not anchored not stored refs pending

Derivations in Codifferential Categories

Keith O'Neill, Richard Blute, Rory B. B. Lucyshyn-Wright

arxiv:1505.00220 v1 · 2015-05-01 · math.CT · math.AC · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YPGXH6OPZNYKIILEHYNT42V4MV}

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	2026-05-18T02:17:13.081294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3cd73f9cfcb70a421643e1b3e6abc656b4e7bc69a1ee59d659a58a2a44af9fa

Aliases

arxiv: 1505.00220 · arxiv_version: 1505.00220v1 · doi: 10.48550/arxiv.1505.00220 · pith_short_12: YPGXH6OPZNYK · pith_short_16: YPGXH6OPZNYKIILE · pith_short_8: YPGXH6OP

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/YPGXH6OPZNYKIILEHYNT42V4MV \
  | 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: c3cd73f9cfcb70a421643e1b3e6abc656b4e7bc69a1ee59d659a58a2a44af9fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a6f66bb990b7369110a006f60ddb1bc7622986d37e10a4b31f0e4eae1e17706",
    "cross_cats_sorted": [
      "math.AC",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2015-05-01T17:07:39Z",
    "title_canon_sha256": "bddd416cdd99c84456d1d1241b77dd806036578c1056da56a2a6fc3fdc40658a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00220",
    "kind": "arxiv",
    "version": 1
  }
}