Pith Number

pith:ZGA7ZOUI

pith:2011:ZGA7ZOUI3DFMSNCLFVPSZIYVAX

not attested not anchored not stored refs pending

Maybe there's no such thing as a random sequence

Peter G. Doyle

arxiv:1103.3494 v1 · 2011-03-17 · math.PR · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZGA7ZOUI3DFMSNCLFVPSZIYVAX}

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	2026-05-18T04:26:33.579710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c981fcba88d8cac9344b2d5f2ca31505e71eb8a1c5961a163c1cb8d2cad18cc9

Aliases

arxiv: 1103.3494 · arxiv_version: 1103.3494v1 · doi: 10.48550/arxiv.1103.3494 · pith_short_12: ZGA7ZOUI3DFM · pith_short_16: ZGA7ZOUI3DFMSNCL · pith_short_8: ZGA7ZOUI

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/ZGA7ZOUI3DFMSNCLFVPSZIYVAX \
  | 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: c981fcba88d8cac9344b2d5f2ca31505e71eb8a1c5961a163c1cb8d2cad18cc9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48f9d5e0037d38215d2d4a7e53c5c63bf2eb6a4f6fa5d0667fce95525504fe20",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "math.PR",
    "submitted_at": "2011-03-17T19:41:36Z",
    "title_canon_sha256": "dd04f7e6433cff2a220438859e345526359127d4f818326e75b20481c3c09a27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3494",
    "kind": "arxiv",
    "version": 1
  }
}