Pith Number

pith:RJ36GRT4

pith:2017:RJ36GRT45RMCA3LWKRHG67G4ZQ

not attested not anchored not stored refs pending

On automorphisms of Enriques surfaces and their entropy

Hisanori Ohashi, S{\l}awomir Rams, Yuya Matsumoto

arxiv:1707.02563 v2 · 2017-07-09 · 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{RJ36GRT45RMCA3LWKRHG67G4ZQ}

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	2026-05-17T23:58:50.205373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a77e3467cec58206d76544e6f7cdccc2ce3d445bf53499a0217b24813cbb6de

Aliases

arxiv: 1707.02563 · arxiv_version: 1707.02563v2 · doi: 10.48550/arxiv.1707.02563 · pith_short_12: RJ36GRT45RMC · pith_short_16: RJ36GRT45RMCA3LW · pith_short_8: RJ36GRT4

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/RJ36GRT45RMCA3LWKRHG67G4ZQ \
  | 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: 8a77e3467cec58206d76544e6f7cdccc2ce3d445bf53499a0217b24813cbb6de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f09c7ce894d775f2c3f8499aa43d02f99da6fb772d0bd9ae4ff36a1d3963830d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-07-09T11:46:59Z",
    "title_canon_sha256": "96617c3ec703f4161c3948732ba7e3e7af45f10e5ba09f2200263b84b1f2e3ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02563",
    "kind": "arxiv",
    "version": 2
  }
}