Pith Number

pith:XM2AEHA5

pith:2008:XM2AEHA5RBR7S6TC7NHYSQA2XX

not attested not anchored not stored refs pending

An algorithmic complexity interpretation of Lin's third law of information theory

Joel Ratsaby

arxiv:0802.4089 v2 · 2008-02-28 · cs.CC · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XM2AEHA5RBR7S6TC7NHYSQA2XX}

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	2026-05-18T02:16:00.795965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb34021c1d8863f97a62fb4f89401abdf47d2266c43d32763e49347e35579d0a

Aliases

arxiv: 0802.4089 · arxiv_version: 0802.4089v2 · doi: 10.48550/arxiv.0802.4089 · pith_short_12: XM2AEHA5RBR7 · pith_short_16: XM2AEHA5RBR7S6TC · pith_short_8: XM2AEHA5

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/XM2AEHA5RBR7S6TC7NHYSQA2XX \
  | 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: bb34021c1d8863f97a62fb4f89401abdf47d2266c43d32763e49347e35579d0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d58bbd14b68ec81035175547b496819df1531c6f18f7557823cf0e10ca7c5a2d",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2008-02-28T12:41:08Z",
    "title_canon_sha256": "b96bbc0dac767729f378db3ef8b36ed2609b1ea3ee17f3c76577bff6bb6564e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.4089",
    "kind": "arxiv",
    "version": 2
  }
}