Pith Number

pith:OCG2WIGW

pith:2018:OCG2WIGW6XFLL5MULEJN5W3VIK

not attested not anchored not stored refs pending

Associated form morphism

Alexander Isaev, Maksym Fedorchuk

arxiv:1807.02082 v2 · 2018-07-05 · 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{OCG2WIGW6XFLL5MULEJN5W3VIK}

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	2026-05-18T00:00:30.043901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

708dab20d6f5cab5f5945912dedb7542a65eb9bdc3c25c9172610e98e16762d4

Aliases

arxiv: 1807.02082 · arxiv_version: 1807.02082v2 · doi: 10.48550/arxiv.1807.02082 · pith_short_12: OCG2WIGW6XFL · pith_short_16: OCG2WIGW6XFLL5MU · pith_short_8: OCG2WIGW

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/OCG2WIGW6XFLL5MULEJN5W3VIK \
  | 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: 708dab20d6f5cab5f5945912dedb7542a65eb9bdc3c25c9172610e98e16762d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "385f74b7c13bf655825a7d8153eb88cb2f05b077b488b6912db6ebc400b3b1da",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-07-05T16:41:46Z",
    "title_canon_sha256": "f847dc34a699850686f7d40e6f4896e43abfacb991facfe181df288e5d1dcac0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02082",
    "kind": "arxiv",
    "version": 2
  }
}