Pith Number

pith:DP3DWTVH

pith:2022:DP3DWTVHKASI56QG7C665BD3KW

not attested not anchored not stored refs pending

What is in #P and what is not?

Christian Ikenmeyer, Igor Pak

arxiv:2204.13149 v1 · 2022-04-27 · cs.CC · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DP3DWTVHKASI56QG7C665BD3KW}

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.

Cited by

2 papers in Pith

Correlation inequalities for Schur positivity

On Variable-Bounded Non-Linear Expansions of Presburger Arithmetic

Receipt and verification

First computed	2026-07-05T04:18:31.539307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bf63b4ea750248efa06f8bdee847b55a9c175ae613628660ff8083c49ede20d

Aliases

arxiv: 2204.13149 · arxiv_version: 2204.13149v1 · doi: 10.48550/arxiv.2204.13149 · pith_short_12: DP3DWTVHKASI · pith_short_16: DP3DWTVHKASI56QG · pith_short_8: DP3DWTVH

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/DP3DWTVHKASI56QG7C665BD3KW \
  | 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: 1bf63b4ea750248efa06f8bdee847b55a9c175ae613628660ff8083c49ede20d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74036889b1199cf00218d7182bfc74151059d22556ff9aff23a4a1bcdef5ac75",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2022-04-27T19:05:01Z",
    "title_canon_sha256": "f5425f1b750866d93736d3f1c71404e5656124ff101d26ced1831022860c79c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.13149",
    "kind": "arxiv",
    "version": 1
  }
}