Pith Number

pith:IHCKI74F

pith:2015:IHCKI74FD7MXUUBLVQEJB2SACK

not attested not anchored not stored refs pending

Unsatisfiable Cores and Lower Bounding for Constraint Programming

Nicholas Downing, Peter J. Stuckey, Thibaut Feydy

arxiv:1508.06096 v1 · 2015-08-25 · cs.LO · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IHCKI74FD7MXUUBLVQEJB2SACK}

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	2026-05-18T01:34:46.865469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41c4a47f851fd97a502bac0890ea40128ef18a5eca3e5fd6f6ef77551cfc2bed

Aliases

arxiv: 1508.06096 · arxiv_version: 1508.06096v1 · doi: 10.48550/arxiv.1508.06096 · pith_short_12: IHCKI74FD7MX · pith_short_16: IHCKI74FD7MXUUBL · pith_short_8: IHCKI74F

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/IHCKI74FD7MXUUBLVQEJB2SACK \
  | 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: 41c4a47f851fd97a502bac0890ea40128ef18a5eca3e5fd6f6ef77551cfc2bed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91c34abc96692bfdc2d9f6e6f909aa025fbc119ac14b32f1640d54ef69aa993a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-08-25T10:11:42Z",
    "title_canon_sha256": "b201bade97e25b1dd0d4f16a620390afc9b507adeeb0b7413fe5b3c34246a4fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06096",
    "kind": "arxiv",
    "version": 1
  }
}