Pith Number

pith:7HHIT4JG

pith:2012:7HHIT4JGNKE5CFO3UAMRQ2W3F3

not attested not anchored not stored refs pending

Randomness, Information, and Complexity

Peter Grassberger

arxiv:1208.3459 v1 · 2012-08-16 · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7HHIT4JGNKE5CFO3UAMRQ2W3F3}

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	2026-05-18T03:48:35.144155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9ce89f1266a89d115dba019186adb2ec63389663272734ecbbb0a504fdd9f62

Aliases

arxiv: 1208.3459 · arxiv_version: 1208.3459v1 · doi: 10.48550/arxiv.1208.3459 · pith_short_12: 7HHIT4JGNKE5 · pith_short_16: 7HHIT4JGNKE5CFO3 · pith_short_8: 7HHIT4JG

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/7HHIT4JGNKE5CFO3UAMRQ2W3F3 \
  | 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: f9ce89f1266a89d115dba019186adb2ec63389663272734ecbbb0a504fdd9f62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac85236a8a40f967b296110b56fb3a3fdfecb2e41ca09fef6502d7167d37353a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2012-08-16T00:37:07Z",
    "title_canon_sha256": "df7d450cb0c1df8145297e50f7aec330f26a5f81c061aa99b5d98ae2781dfa2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3459",
    "kind": "arxiv",
    "version": 1
  }
}