Pith Number

pith:L3H2VFHB

pith:2010:L3H2VFHB6D3TZ6RKOGPYDOZQIR

not attested not anchored not stored refs pending

Degree three cohomology of function fields of surfaces

R. Parimala, V. Suresh

arxiv:1012.5367 v2 · 2010-12-24 · 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{L3H2VFHB6D3TZ6RKOGPYDOZQIR}

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	2026-05-18T02:50:24.621740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ecfaa94e1f0f73cfa2a719f81bb304445b3717a5fceb48df58b1f1c963626a3

Aliases

arxiv: 1012.5367 · arxiv_version: 1012.5367v2 · doi: 10.48550/arxiv.1012.5367 · pith_short_12: L3H2VFHB6D3T · pith_short_16: L3H2VFHB6D3TZ6RK · pith_short_8: L3H2VFHB

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/L3H2VFHB6D3TZ6RKOGPYDOZQIR \
  | 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: 5ecfaa94e1f0f73cfa2a719f81bb304445b3717a5fceb48df58b1f1c963626a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2fb571557b3b30a89d27ed9274452294651a8950d5824eca561ad64d10a3f78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2010-12-24T09:12:17Z",
    "title_canon_sha256": "a7baf61cb348b2003d7a8d8293940bc373b21928341d43a42c89a52fd9f90d4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.5367",
    "kind": "arxiv",
    "version": 2
  }
}