Pith Number

pith:MTP2NHPU

pith:2005:MTP2NHPUASQOI6PAAC5CRXI7VD

not attested not anchored not stored refs pending

Should you believe that this coin is fair?

William Bialek

arxiv:q-bio/0508044 v1 · 2005-08-30 · q-bio.NC · q-bio.QM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MTP2NHPUASQOI6PAAC5CRXI7VD}

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	2026-07-04T14:45:25.465337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64dfa69df404a0e479e000ba28dd1fa8efc05e995c3b2119c661e92006667e1d

Aliases

arxiv: q-bio/0508044 · arxiv_version: q-bio/0508044v1 · doi: 10.48550/arxiv.q-bio/0508044 · pith_short_12: MTP2NHPUASQO · pith_short_16: MTP2NHPUASQOI6PA · pith_short_8: MTP2NHPU

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/MTP2NHPUASQOI6PAAC5CRXI7VD \
  | 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: 64dfa69df404a0e479e000ba28dd1fa8efc05e995c3b2119c661e92006667e1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac9af5e2377f19d47d4efd2516d21a95c63001e94cb0a6a7644dba690855fc34",
    "cross_cats_sorted": [
      "q-bio.QM"
    ],
    "license": "",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2005-08-30T03:28:36Z",
    "title_canon_sha256": "ec99ae6e44da45f4010abe58bd827c0860a17906a1e850b370cf841c6da39ef8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "q-bio/0508044",
    "kind": "arxiv",
    "version": 1
  }
}