Pith Number

pith:JVSWFEQ6

pith:2011:JVSWFEQ6BG5OH54BAFYWZB2WMC

not attested not anchored not stored refs pending

On the quasi group of a cubic surface over a finite field

Andreas-Stephan Elsenhans, J\"org Jahnel

arxiv:1102.1278 v1 · 2011-02-07 · 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{JVSWFEQ6BG5OH54BAFYWZB2WMC}

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	2026-05-18T04:29:54.597137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d6562921e09bae3f78101716c875660a02a6763357d7e5fa04fe5be81531058

Aliases

arxiv: 1102.1278 · arxiv_version: 1102.1278v1 · doi: 10.48550/arxiv.1102.1278 · pith_short_12: JVSWFEQ6BG5O · pith_short_16: JVSWFEQ6BG5OH54B · pith_short_8: JVSWFEQ6

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/JVSWFEQ6BG5OH54BAFYWZB2WMC \
  | 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: 4d6562921e09bae3f78101716c875660a02a6763357d7e5fa04fe5be81531058

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fcfc8a0ca5b129acade4ec7ce341609af6a90ca5d5fcb3d847e5ccb32bc104f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-02-07T11:29:14Z",
    "title_canon_sha256": "ea659237e4133f37f457e9b220168b96487097a433667ea2e59352e95168a495"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1278",
    "kind": "arxiv",
    "version": 1
  }
}