Pith Number

pith:RPUN44SA

pith:2014:RPUN44SADA27FUIOWKCFD46SJN

not attested not anchored not stored refs pending

A Unifying Framework for Structural Properties of CSPs: Definitions, Complexity, Tractability

Lucas Bordeaux, Marco Cadoli, Toni Mancini

arxiv:1401.3430 v1 · 2014-01-15 · cs.AI · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RPUN44SADA27FUIOWKCFD46SJN}

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	2026-05-18T03:02:09.251283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8be8de72401835f2d10eb28451f3d24b6ea65e9d2088c45925103ce67bb5fa6f

Aliases

arxiv: 1401.3430 · arxiv_version: 1401.3430v1 · doi: 10.48550/arxiv.1401.3430 · pith_short_12: RPUN44SADA27 · pith_short_16: RPUN44SADA27FUIO · pith_short_8: RPUN44SA

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/RPUN44SADA27FUIOWKCFD46SJN \
  | 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: 8be8de72401835f2d10eb28451f3d24b6ea65e9d2088c45925103ce67bb5fa6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1227d5907548451358530096feae6e122c3266d586a611a889d4c9274e5ccca",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-01-15T04:47:30Z",
    "title_canon_sha256": "455bcd507fb9ade88cc8981780d439a73e3b2f6ccd040b0da070db9b79b69676"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3430",
    "kind": "arxiv",
    "version": 1
  }
}