Pith Number

pith:4FNTI24E

pith:2017:4FNTI24EJE7DFCVC2R7ENOIU46

not attested not anchored not stored refs pending

An operational characterization of mutual information in algorithmic information theory

Andrei Romashchenko, Marius Zimand

arxiv:1710.05984 v5 · 2017-10-16 · cs.IT · cs.CC · 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{4FNTI24EJE7DFCVC2R7ENOIU46}

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	2026-05-17T23:47:36.445834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e15b346b84493e328aa2d47e46b914e7b41512fcfb40c58dfff079b956e31ab7

Aliases

arxiv: 1710.05984 · arxiv_version: 1710.05984v5 · doi: 10.48550/arxiv.1710.05984 · pith_short_12: 4FNTI24EJE7D · pith_short_16: 4FNTI24EJE7DFCVC · pith_short_8: 4FNTI24E

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/4FNTI24EJE7DFCVC2R7ENOIU46 \
  | 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: e15b346b84493e328aa2d47e46b914e7b41512fcfb40c58dfff079b956e31ab7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e21ed434251d67bad48ba5fe997b8c791d7d3c891763c8e50f5154b65a304157",
    "cross_cats_sorted": [
      "cs.CC",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-10-16T20:14:24Z",
    "title_canon_sha256": "d85e9f968a7029e9443255800a7c78b43c450c745173572f4a15c1796aaeab75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.05984",
    "kind": "arxiv",
    "version": 5
  }
}