Pith Number

pith:4IVMAQAK

pith:2015:4IVMAQAKQJPCQ2DSICANU24WZ7

not attested not anchored not stored refs pending

How do you revise your belief set with %$;@*?

Ryuta Arisaka

arxiv:1504.05381 v3 · 2015-04-21 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4IVMAQAKQJPCQ2DSICANU24WZ7}

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	2026-05-18T01:21:47.438528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e22ac0400a825e2868724080da6b96cfee72e3d5e09f846bd355a4c24cb3f3d9

Aliases

arxiv: 1504.05381 · arxiv_version: 1504.05381v3 · doi: 10.48550/arxiv.1504.05381 · pith_short_12: 4IVMAQAKQJPC · pith_short_16: 4IVMAQAKQJPCQ2DS · pith_short_8: 4IVMAQAK

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/4IVMAQAKQJPCQ2DSICANU24WZ7 \
  | 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: e22ac0400a825e2868724080da6b96cfee72e3d5e09f846bd355a4c24cb3f3d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77482227c7ef8a774a5115d6e839c2f8b8e22d48e0d549f55a19f5cd7d5e7662",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-04-21T10:44:07Z",
    "title_canon_sha256": "70ab2a4bb1cf1db1c2c24b0312e079a540583c0daea73022cfe70705f3eee37f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05381",
    "kind": "arxiv",
    "version": 3
  }
}