Pith Number

pith:6YHYC53I

pith:2014:6YHYC53IGJEUU57T5FJG6LRTM5

not attested not anchored not stored refs pending

Algebraic elements of the Cremona groups

J\'er\'emy Blanc

arxiv:1409.1139 v2 · 2014-09-03 · 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{6YHYC53IGJEUU57T5FJG6LRTM5}

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	2026-05-17T23:54:07.887500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f60f81776832494a77f3e9526f2e336757c1f19f45f39f2c9d22c0d872c88e32

Aliases

arxiv: 1409.1139 · arxiv_version: 1409.1139v2 · doi: 10.48550/arxiv.1409.1139 · pith_short_12: 6YHYC53IGJEU · pith_short_16: 6YHYC53IGJEUU57T · pith_short_8: 6YHYC53I

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/6YHYC53IGJEUU57T5FJG6LRTM5 \
  | 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: f60f81776832494a77f3e9526f2e336757c1f19f45f39f2c9d22c0d872c88e32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57b88ab469a972b56f2ee4947c0081309861ce3f1f21ee7c17006216458f3377",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-09-03T16:12:30Z",
    "title_canon_sha256": "dfa1fd61e94d5838b8b0c69447f5850d4628f4dde0bd7f733c6765a754cfb4ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.1139",
    "kind": "arxiv",
    "version": 2
  }
}