Pith Number

pith:OLA5JGR2

pith:2015:OLA5JGR2X477C5BQBG7D6SI5OL

not attested not anchored not stored refs pending

Conditional Information Inequalities and Combinatorial Applications

Andrei Romashchenko, Nikolay Vereshchagin, Tarik Kaced

arxiv:1501.04867 v4 · 2015-01-20 · 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{OLA5JGR2X477C5BQBG7D6SI5OL}

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	2026-05-18T00:35:18.830473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72c1d49a3abf3ff1743009be3f491d72ee8004121ed7904dc4fefb276d246add

Aliases

arxiv: 1501.04867 · arxiv_version: 1501.04867v4 · doi: 10.48550/arxiv.1501.04867 · pith_short_12: OLA5JGR2X477 · pith_short_16: OLA5JGR2X477C5BQ · pith_short_8: OLA5JGR2

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/OLA5JGR2X477C5BQBG7D6SI5OL \
  | 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: 72c1d49a3abf3ff1743009be3f491d72ee8004121ed7904dc4fefb276d246add

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11bc0a5e7832bb0609cb07ec044f2b42cc28304531ab807c19aed4148f7bdf99",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-01-20T16:28:01Z",
    "title_canon_sha256": "14c088a278c1638cabbc6d1f05bd4299e19991c4c4d61396f66ae62bff8dcb0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04867",
    "kind": "arxiv",
    "version": 4
  }
}