Pith Number

pith:THXYRORH

pith:2015:THXYRORHTP2Z66LWGNM7TH4C5Y

not attested not anchored not stored refs pending

Exponents of some one-dimensional Gauss-Manin cohomologies

Alberto Casta\~no Dom\'inguez

arxiv:1504.08214 v5 · 2015-04-30 · 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{THXYRORHTP2Z66LWGNM7TH4C5Y}

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	2026-05-18T00:40:08.587280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99ef88ba279bf59f79763359f99f82ee037382dd44161a93a0f7a07f00a2f18c

Aliases

arxiv: 1504.08214 · arxiv_version: 1504.08214v5 · doi: 10.48550/arxiv.1504.08214 · pith_short_12: THXYRORHTP2Z · pith_short_16: THXYRORHTP2Z66LW · pith_short_8: THXYRORH

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/THXYRORHTP2Z66LWGNM7TH4C5Y \
  | 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: 99ef88ba279bf59f79763359f99f82ee037382dd44161a93a0f7a07f00a2f18c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d2c9ccfcca34730fd9f6b7a22701490834d9e7655e7ea40620783eebcdf58e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-04-30T13:22:44Z",
    "title_canon_sha256": "a9374bd89773330106267417fb3b450c4103a26cfa3fcd8dc6ececc1e77ba597"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.08214",
    "kind": "arxiv",
    "version": 5
  }
}