Pith Number

pith:5JX27N2H

pith:2016:5JX27N2HSGPSGD7RFI2UCR5CDZ

not attested not anchored not stored refs pending

Verifier Theory and Unverifiability

Roman V. Yampolskiy

arxiv:1609.00331 v3 · 2016-09-01 · cs.AI · cs.CR · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5JX27N2HSGPSGD7RFI2UCR5CDZ}

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	2026-05-18T01:01:22.251351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea6fafb747919f230ff12a354147a21e5142fa3ed03f2c3766b3bafcee611bd0

Aliases

arxiv: 1609.00331 · arxiv_version: 1609.00331v3 · doi: 10.48550/arxiv.1609.00331 · pith_short_12: 5JX27N2HSGPS · pith_short_16: 5JX27N2HSGPSGD7R · pith_short_8: 5JX27N2H

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/5JX27N2HSGPSGD7RFI2UCR5CDZ \
  | 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: ea6fafb747919f230ff12a354147a21e5142fa3ed03f2c3766b3bafcee611bd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcd19a1afd357937c5e3b966f13ac13628a59e487f1c89880bdce2cd140096b3",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2016-09-01T18:10:23Z",
    "title_canon_sha256": "60ff0ac906a8142556ff01ce1a15f68a02042c58036ec2c42f868aa71737996f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00331",
    "kind": "arxiv",
    "version": 3
  }
}