Pith Number

pith:QI4W2UR4

pith:2015:QI4W2UR4KJ5QSJCMYD5UMVNENG

not attested not anchored not stored refs pending

Plane non-singular curves with an element of "large" order in its automorphism group

Eslam Badr, Francesc Bars

arxiv:1510.06192 v1 · 2015-10-21 · 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{QI4W2UR4KJ5QSJCMYD5UMVNENG}

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	2026-05-18T01:11:41.268212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82396d523c527b09244cc0fb4655a469a52aaabf9290e99a00be47edbc296444

Aliases

arxiv: 1510.06192 · arxiv_version: 1510.06192v1 · doi: 10.48550/arxiv.1510.06192 · pith_short_12: QI4W2UR4KJ5Q · pith_short_16: QI4W2UR4KJ5QSJCM · pith_short_8: QI4W2UR4

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/QI4W2UR4KJ5QSJCMYD5UMVNENG \
  | 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: 82396d523c527b09244cc0fb4655a469a52aaabf9290e99a00be47edbc296444

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7cb7ab431ea93ddaa7347835f264ff287f225f6b81bc17d180ee2dcd23a27f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-10-21T10:18:47Z",
    "title_canon_sha256": "ebbfbbcb4d8759f0134ffc42df4cce11679e3ccb5c86fcf7e242c46bda88b553"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06192",
    "kind": "arxiv",
    "version": 1
  }
}