Pith Number

pith:CES7BU3Z

pith:2013:CES7BU3ZLSY3SMWJGEVHXTLCLX

not attested not anchored not stored refs pending

Optimal Results on ITRM-recognizability

Merlin Carl

arxiv:1306.5128 v1 · 2013-06-21 · 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{CES7BU3ZLSY3SMWJGEVHXTLCLX}

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	2026-05-18T03:20:19.655132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1125f0d3795cb1b932c9312a7bcd625ddd9fff3c5467aff6b8461506f2f9192d

Aliases

arxiv: 1306.5128 · arxiv_version: 1306.5128v1 · doi: 10.48550/arxiv.1306.5128 · pith_short_12: CES7BU3ZLSY3 · pith_short_16: CES7BU3ZLSY3SMWJ · pith_short_8: CES7BU3Z

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/CES7BU3ZLSY3SMWJGEVHXTLCLX \
  | 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: 1125f0d3795cb1b932c9312a7bcd625ddd9fff3c5467aff6b8461506f2f9192d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82e4b0913fec83a13b4a5ae332ad15e81e590fb51489661f93961127a0d678b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-06-21T13:19:17Z",
    "title_canon_sha256": "5bda121361508dd0cf4d7a2319371c22cf9ed80d4803dcf5e1380ef76d152ab0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5128",
    "kind": "arxiv",
    "version": 1
  }
}