Pith Number

pith:IODFLBFK

pith:2010:IODFLBFK5AIGCFH44AE5QLHI5L

not attested not anchored not stored refs pending

Roots of the affine Cremona group

Alvaro Liendo

arxiv:1010.4034 v1 · 2010-10-19 · 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{IODFLBFK5AIGCFH44AE5QLHI5L}

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	2026-05-18T04:03:43.562221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43865584aae8106114fce009d82ce8eacaf4513bb4ec9b327ac698f26dc40754

Aliases

arxiv: 1010.4034 · arxiv_version: 1010.4034v1 · doi: 10.48550/arxiv.1010.4034 · pith_short_12: IODFLBFK5AIG · pith_short_16: IODFLBFK5AIGCFH4 · pith_short_8: IODFLBFK

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/IODFLBFK5AIGCFH44AE5QLHI5L \
  | 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: 43865584aae8106114fce009d82ce8eacaf4513bb4ec9b327ac698f26dc40754

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "794959c23c50ba71e59a94a662f2e05007b59b21d78f9819c8ceef7406bde941",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-10-19T20:03:40Z",
    "title_canon_sha256": "81ea1c0699c9e33eb31c57f353702dd5ed61a414328b535660c851ff8c5773b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4034",
    "kind": "arxiv",
    "version": 1
  }
}