Pith Number

pith:SEEX2RHN

pith:2015:SEEX2RHNAUHCTRXLB5QAE7XGIV

not attested not anchored not stored refs pending

A refined version of Grothendieck's birational anabelian conjecture for curves over finite fields

Akio Tamagawa, Mohamed saidi

arxiv:1512.01201 v2 · 2015-12-03 · math.NT · 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{SEEX2RHNAUHCTRXLB5QAE7XGIV}

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	2026-05-18T00:50:52.405764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91097d44ed050e29c6eb0f60027ee64552281e31b001ddb6e1cb6fe97e0423da

Aliases

arxiv: 1512.01201 · arxiv_version: 1512.01201v2 · doi: 10.48550/arxiv.1512.01201 · pith_short_12: SEEX2RHNAUHC · pith_short_16: SEEX2RHNAUHCTRXL · pith_short_8: SEEX2RHN

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/SEEX2RHNAUHCTRXLB5QAE7XGIV \
  | 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: 91097d44ed050e29c6eb0f60027ee64552281e31b001ddb6e1cb6fe97e0423da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71bfb4dccb3cbfc869956fbd1155a172b0657ea27d1a0461c9511e3e11872a23",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2015-12-03T19:21:32Z",
    "title_canon_sha256": "4a985427b57fe1ebdea7066b206380f4f2f52a70b6a18b4c56eaee30a5c1eda6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01201",
    "kind": "arxiv",
    "version": 2
  }
}