Pith Number

pith:QJ7JQCVE

pith:2013:QJ7JQCVE6U6K5F44OIR7X67TIP

not attested not anchored not stored refs pending

Algebraic derivations on affine domains

Kayo Masuda, Masayoshi Miyanishi

arxiv:1301.3259 v2 · 2013-01-15 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QJ7JQCVE6U6K5F44OIR7X67TIP}

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	2026-05-18T03:31:44.475560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

827e980aa4f53cae979c7223fbfbf343cf811ac039dc028cdefac5ea5ef4b13f

Aliases

arxiv: 1301.3259 · arxiv_version: 1301.3259v2 · doi: 10.48550/arxiv.1301.3259 · pith_short_12: QJ7JQCVE6U6K · pith_short_16: QJ7JQCVE6U6K5F44 · pith_short_8: QJ7JQCVE

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/QJ7JQCVE6U6K5F44OIR7X67TIP \
  | 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: 827e980aa4f53cae979c7223fbfbf343cf811ac039dc028cdefac5ea5ef4b13f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67d68242c5e001dcc98c999053bc11bc01d3dcb17a10ec2a99dfada239df8c87",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-01-15T08:33:13Z",
    "title_canon_sha256": "1988a84a1f9e65d39473430f84ef48ab9be310f8290598bbc4b55e98d6da6b1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.3259",
    "kind": "arxiv",
    "version": 2
  }
}