Pith Number

pith:AMEHXDMV

pith:2018:AMEHXDMVR2K54FAO23L3OLNAJG

not attested not anchored not stored refs pending

Deterministic search for CNF satisfying assignments in almost polynomial time

Li-Yang Tan, Rocco A. Servedio

arxiv:1801.03588 v1 · 2018-01-10 · 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{AMEHXDMVR2K54FAO23L3OLNAJG}

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	2026-05-18T00:26:13.880002Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03087b8d958e95de140ed6d7b72da049b52df20a0df44ef623c59f3c58198248

Aliases

arxiv: 1801.03588 · arxiv_version: 1801.03588v1 · doi: 10.48550/arxiv.1801.03588 · pith_short_12: AMEHXDMVR2K5 · pith_short_16: AMEHXDMVR2K54FAO · pith_short_8: AMEHXDMV

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/AMEHXDMVR2K54FAO23L3OLNAJG \
  | 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: 03087b8d958e95de140ed6d7b72da049b52df20a0df44ef623c59f3c58198248

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0ae51cc72ad62590aba6df4869944e818597f269cca729ad436dfa06a82cbaa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2018-01-10T23:45:13Z",
    "title_canon_sha256": "95ebf5ed9360cd75a3d4c8f9410f1022ed208a68bf8c0a5ff37c92e394a09571"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03588",
    "kind": "arxiv",
    "version": 1
  }
}