Pith Number

pith:XL6GUK2S

pith:2015:XL6GUK2SADYKIIWV3DBK4P2QUI

not attested not anchored not stored refs pending

On the Workflow Satisfiability Problem with Class-Independent Constraints

Andrei Gagarin, Gregory Gutin, Jason Crampton, Magnus Wahlstrom, Mark Jones

arxiv:1504.03561 v2 · 2015-04-14 · cs.CR · 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{XL6GUK2SADYKIIWV3DBK4P2QUI}

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	2026-05-18T01:33:15.862035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bafc6a2b5200f0a422d5d8c2ae3f50a234900b0e974ea02564b7811019c66c02

Aliases

arxiv: 1504.03561 · arxiv_version: 1504.03561v2 · doi: 10.48550/arxiv.1504.03561 · pith_short_12: XL6GUK2SADYK · pith_short_16: XL6GUK2SADYKIIWV · pith_short_8: XL6GUK2S

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/XL6GUK2SADYKIIWV3DBK4P2QUI \
  | 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: bafc6a2b5200f0a422d5d8c2ae3f50a234900b0e974ea02564b7811019c66c02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e798842fd31256ac492e279b97c41d08f22813f413d39e212daef7dbf2c61771",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-04-14T14:25:22Z",
    "title_canon_sha256": "6a76d6f82607bc903679e862aee13f6584e7e85f1f30a4668e71818a1919827c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03561",
    "kind": "arxiv",
    "version": 2
  }
}