Pith Number

pith:3X3OD7ZU

pith:2011:3X3OD7ZU4ESQSZHX5Z546ZTNQA

not attested not anchored not stored refs pending

Information Complexity and Estimation

Dror Baron

arxiv:1108.1022 v1 · 2011-08-04 · 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{3X3OD7ZU4ESQSZHX5Z546ZTNQA}

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	2026-05-18T04:16:13.203104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddf6e1ff34e1250964f7ee7bcf666d800bd9e142ac80a98725075f4563500ce4

Aliases

arxiv: 1108.1022 · arxiv_version: 1108.1022v1 · doi: 10.48550/arxiv.1108.1022 · pith_short_12: 3X3OD7ZU4ESQ · pith_short_16: 3X3OD7ZU4ESQSZHX · pith_short_8: 3X3OD7ZU

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/3X3OD7ZU4ESQSZHX5Z546ZTNQA \
  | 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: ddf6e1ff34e1250964f7ee7bcf666d800bd9e142ac80a98725075f4563500ce4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "187e009b467afc4c2f89cd602f6adb849c10d12f55a3da937f4265d10d19eac3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-08-04T09:02:07Z",
    "title_canon_sha256": "dc3cb82d1dba1105876b46d7ee9d38461b79ec681a8c8162d6fdbf0bfd742f3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1022",
    "kind": "arxiv",
    "version": 1
  }
}