Pith Number

pith:SKFAEZNA

pith:2012:SKFAEZNARC2Z2ZT4SGCDYJRLCB

not attested not anchored not stored refs pending

On a "replicating character string" model

Richard C. Bradley

arxiv:1211.3999 v1 · 2012-11-16 · 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{SKFAEZNARC2Z2ZT4SGCDYJRLCB}

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	2026-05-18T03:40:37.375501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

928a0265a088b59d667c91843c262b10576a1ceafe88ca7884b3594adde9f229

Aliases

arxiv: 1211.3999 · arxiv_version: 1211.3999v1 · doi: 10.48550/arxiv.1211.3999 · pith_short_12: SKFAEZNARC2Z · pith_short_16: SKFAEZNARC2Z2ZT4 · pith_short_8: SKFAEZNA

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/SKFAEZNARC2Z2ZT4SGCDYJRLCB \
  | 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: 928a0265a088b59d667c91843c262b10576a1ceafe88ca7884b3594adde9f229

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4937646c64f505900f2a4c4ed00bff8c790e5459368aac6ac6360e91d40c4ca1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2012-11-16T19:36:46Z",
    "title_canon_sha256": "d0be91afd3c0ca0d7b4c525969bacc8881e6a8bd2365ddb5819752a8737b3ce3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3999",
    "kind": "arxiv",
    "version": 1
  }
}