Pith Number

pith:VBOZ3VA3

pith:2011:VBOZ3VA34JRQ4PEOJ5LDMCTTX5

not attested not anchored not stored refs pending

Possibilities and impossibilities in Kolmogorov complexity extraction

Marius Zimand

arxiv:1104.0872 v2 · 2011-04-05 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VBOZ3VA34JRQ4PEOJ5LDMCTTX5}

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	2026-05-18T03:53:29.515859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a85d9dd41be2630e3c8e4f56360a73bf623ce3c58d1e50f872004c4546176c1f

Aliases

arxiv: 1104.0872 · arxiv_version: 1104.0872v2 · doi: 10.48550/arxiv.1104.0872 · pith_short_12: VBOZ3VA34JRQ · pith_short_16: VBOZ3VA34JRQ4PEO · pith_short_8: VBOZ3VA3

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/VBOZ3VA34JRQ4PEOJ5LDMCTTX5 \
  | 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: a85d9dd41be2630e3c8e4f56360a73bf623ce3c58d1e50f872004c4546176c1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a10b72007a30e02d20211d1dfb2dfa6a2239532021720479ccfd90aef2e5d515",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2011-04-05T15:45:08Z",
    "title_canon_sha256": "7d5d7e5c26a3520435a3e5c2c722aeb9c701810c696b84989f3f8eaf2e61766e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0872",
    "kind": "arxiv",
    "version": 2
  }
}