Pith Number

pith:FMADW6GG

pith:2015:FMADW6GGYDA5MWSJIAZDHXSUIO

not attested not anchored not stored refs pending

The action of the Cremona group on rational curves of $ \mathbb{P}^{3} $

Elena Angelini, Massimiliano Mella

arxiv:1505.00563 v2 · 2015-05-04 · 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{FMADW6GGYDA5MWSJIAZDHXSUIO}

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	2026-05-17T23:44:23.296931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b003b78c6c0c1d65a49403233de54438be627962a8e5fa6cd4d522e2e90bb2d

Aliases

arxiv: 1505.00563 · arxiv_version: 1505.00563v2 · doi: 10.48550/arxiv.1505.00563 · pith_short_12: FMADW6GGYDA5 · pith_short_16: FMADW6GGYDA5MWSJ · pith_short_8: FMADW6GG

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/FMADW6GGYDA5MWSJIAZDHXSUIO \
  | 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: 2b003b78c6c0c1d65a49403233de54438be627962a8e5fa6cd4d522e2e90bb2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "210d9349e23f66656e650100dde8e65430b508472c98e255c8ffafd75e122ad1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-05-04T09:11:11Z",
    "title_canon_sha256": "4ede5242796d79403aaf84070f6f166691e0f20f0131cf60809a599396894c00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00563",
    "kind": "arxiv",
    "version": 2
  }
}