Pith Number

pith:3LFSCNGV

pith:2013:3LFSCNGV2JT5IBINLOMO64VJDD

not attested not anchored not stored refs pending

2-elementary subgroups of the space Cremona group

Yuri Prokhorov

arxiv:1308.5628 v1 · 2013-08-26 · 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{3LFSCNGV2JT5IBINLOMO64VJDD}

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	2026-05-18T01:21:45.367285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dacb2134d5d267d4050d5b98ef72a918e99a7465eb700b9afc599ba21cc6ff29

Aliases

arxiv: 1308.5628 · arxiv_version: 1308.5628v1 · doi: 10.48550/arxiv.1308.5628 · pith_short_12: 3LFSCNGV2JT5 · pith_short_16: 3LFSCNGV2JT5IBIN · pith_short_8: 3LFSCNGV

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/3LFSCNGV2JT5IBINLOMO64VJDD \
  | 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: dacb2134d5d267d4050d5b98ef72a918e99a7465eb700b9afc599ba21cc6ff29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0bfad8b37d60a62754c1f6299830b7a4ee53ed2eaa17e8d5c189576a1421c70",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-08-26T16:19:10Z",
    "title_canon_sha256": "04646b474edb274bf56349fb867fa518e176a611a59dd9495e068bfb18114956"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5628",
    "kind": "arxiv",
    "version": 1
  }
}