Pith Number

pith:WY5H2FCC

pith:2014:WY5H2FCCIER3RT2MKPMV5ZV43Q

not attested not anchored not stored refs pending

Guarantees and Limits of Preprocessing in Constraint Satisfaction and Reasoning

Serge Gaspers, Stefan Szeider

arxiv:1406.3124 v1 · 2014-06-12 · cs.AI · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WY5H2FCCIER3RT2MKPMV5ZV43Q}

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	2026-05-18T02:49:53.008265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b63a7d14424123b8cf4c53d95ee6bcdc2c601065d64978c8164e4bf3a78b7659

Aliases

arxiv: 1406.3124 · arxiv_version: 1406.3124v1 · doi: 10.48550/arxiv.1406.3124 · pith_short_12: WY5H2FCCIER3 · pith_short_16: WY5H2FCCIER3RT2M · pith_short_8: WY5H2FCC

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/WY5H2FCCIER3RT2MKPMV5ZV43Q \
  | 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: b63a7d14424123b8cf4c53d95ee6bcdc2c601065d64978c8164e4bf3a78b7659

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db6d4d306f58d922544d7a00f565fd42627d936493b1fe74ca67db22d01642ab",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2014-06-12T05:44:06Z",
    "title_canon_sha256": "95e60d0eac0f88719fe4e924ff903db5406be35e5452d9e4c1742b1a4dfbb089"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.3124",
    "kind": "arxiv",
    "version": 1
  }
}