Pith Number

pith:T6M2EFFZ

pith:2014:T6M2EFFZPQOW3OXUWHKWQDWGAP

not attested not anchored not stored refs pending

Finite polynomial cohomology for general varieties

Amnon Besser, David Loeffler, Sarah Livia Zerbes

arxiv:1405.7527 v2 · 2014-05-29 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T6M2EFFZPQOW3OXUWHKWQDWGAP}

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	2026-05-18T00:23:21.743395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f99a214b97c1d6dbaf4b1d5680ec603f21ca88d67fa844f78b20636bb0bb41b

Aliases

arxiv: 1405.7527 · arxiv_version: 1405.7527v2 · doi: 10.48550/arxiv.1405.7527 · pith_short_12: T6M2EFFZPQOW · pith_short_16: T6M2EFFZPQOW3OXU · pith_short_8: T6M2EFFZ

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/T6M2EFFZPQOW3OXUWHKWQDWGAP \
  | 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: 9f99a214b97c1d6dbaf4b1d5680ec603f21ca88d67fa844f78b20636bb0bb41b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04a07719be85959958d88fd121bd49e2463502db955f01d75d885dde4cf6cca8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-05-29T11:36:23Z",
    "title_canon_sha256": "ec46ad80c0c5274875d40f99ec3236fea3789b843e5bef7b5b9fd35a9202a21f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7527",
    "kind": "arxiv",
    "version": 2
  }
}