Pith Number

pith:LK7YH5VB

pith:2007:LK7YH5VBSFE6DZET7OPGOVPSAD

not attested not anchored not stored refs pending

Algorithmic information theory: Some recollections

G. J. Chaitin (IBM Research)

arxiv:math/0701164 v2 · 2007-01-05 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LK7YH5VBSFE6DZET7OPGOVPSAD}

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	2026-07-04T14:58:31.572778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5abf83f6a19149e1e493fb9e6755f200db0daf80f658cab34271054a1bbbf68c

Aliases

arxiv: math/0701164 · arxiv_version: math/0701164v2 · doi: 10.48550/arxiv.math/0701164 · pith_short_12: LK7YH5VBSFE6 · pith_short_16: LK7YH5VBSFE6DZET · pith_short_8: LK7YH5VB

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/LK7YH5VBSFE6DZET7OPGOVPSAD \
  | 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: 5abf83f6a19149e1e493fb9e6755f200db0daf80f658cab34271054a1bbbf68c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a70f9ca5c7cdca9ecbcbcbdbc33d9ac5ae4cabef2f0d2674e855d727bd58825",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.HO",
    "submitted_at": "2007-01-05T13:57:40Z",
    "title_canon_sha256": "f93fcf2ebaa10ba6928c0c66cd929b33e7c2c3dbba2dab5df9d92c935b796e8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0701164",
    "kind": "arxiv",
    "version": 2
  }
}