Pith Number

pith:S5HE65YP

pith:2011:S5HE65YPFXAOEQJXD73NRRHXWB

not attested not anchored not stored refs pending

Double Points of Plane Models in M_{g,1}

Nicola Tarasca

arxiv:1102.4087 v1 · 2011-02-20 · 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{S5HE65YPFXAOEQJXD73NRRHXWB}

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	2026-05-18T04:28:19.072491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

974e4f770f2dc0e241371ff6d8c4f7b06fdb2944724b194d970c33cc9d0fe1e4

Aliases

arxiv: 1102.4087 · arxiv_version: 1102.4087v1 · doi: 10.48550/arxiv.1102.4087 · pith_short_12: S5HE65YPFXAO · pith_short_16: S5HE65YPFXAOEQJX · pith_short_8: S5HE65YP

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/S5HE65YPFXAOEQJXD73NRRHXWB \
  | 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: 974e4f770f2dc0e241371ff6d8c4f7b06fdb2944724b194d970c33cc9d0fe1e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a82b7476763d119a3843514d232f69fb8f7a951a5e3c8a78b3d301412a01b39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-02-20T17:12:24Z",
    "title_canon_sha256": "d9d5622e818e9adbf52d7844f6661550e01b4c234972df84bd143eeb59290e13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.4087",
    "kind": "arxiv",
    "version": 1
  }
}