Pith Number

pith:FC7HQPSA

pith:2009:FC7HQPSAYKYPS27XL62XSG2IUV

not attested not anchored not stored refs pending

Contact process in a wedge

J. Theodore Cox, Nevena Maric, Rinaldo B. Schinazi

arxiv:0908.4125 v1 · 2009-08-28 · math.PR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FC7HQPSAYKYPS27XL62XSG2IUV}

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	2026-05-18T02:12:21.786930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28be783e40c2b0f96bf75fb5791b48a54ac1558d7be36f783c1b5dc5204ccb20

Aliases

arxiv: 0908.4125 · arxiv_version: 0908.4125v1 · doi: 10.48550/arxiv.0908.4125 · pith_short_12: FC7HQPSAYKYP · pith_short_16: FC7HQPSAYKYPS27X · pith_short_8: FC7HQPSA

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/FC7HQPSAYKYPS27XL62XSG2IUV \
  | 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: 28be783e40c2b0f96bf75fb5791b48a54ac1558d7be36f783c1b5dc5204ccb20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "caea7c995930ef861aec3daf1b9bfa222d04c38e3d8401690c5a13cac75c26b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2009-08-28T03:24:42Z",
    "title_canon_sha256": "2c0f596e5095e185344380cd35a0598f9012440085034425fa756783ce20bf53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.4125",
    "kind": "arxiv",
    "version": 1
  }
}