Pith Number

pith:UZOBVUBV

pith:2015:UZOBVUBVVUSYI5XZGJWGDOTC4N

not attested not anchored not stored refs pending

Valued Workflow Satisfiability Problem

Daniel Karapetyan, Gregory Z. Gutin, Jason Crampton

arxiv:1501.07814 v1 · 2015-01-30 · cs.DS · cs.CC · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UZOBVUBVVUSYI5XZGJWGDOTC4N}

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	2026-05-18T02:28:14.091604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a65c1ad035ad258476f9326c61ba62e36ae9cc1637275d52304905c92919be49

Aliases

arxiv: 1501.07814 · arxiv_version: 1501.07814v1 · doi: 10.48550/arxiv.1501.07814 · pith_short_12: UZOBVUBVVUSY · pith_short_16: UZOBVUBVVUSYI5XZ · pith_short_8: UZOBVUBV

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/UZOBVUBVVUSYI5XZGJWGDOTC4N \
  | 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: a65c1ad035ad258476f9326c61ba62e36ae9cc1637275d52304905c92919be49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fdad7c18edd8823eee55f826c640f07a8af35bfcba052549b547302c87309cc",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-01-30T15:47:06Z",
    "title_canon_sha256": "b2c0e10a362e78247a9501cfde1a7647933faccb2ed0cadee331c72c3bd4cd0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07814",
    "kind": "arxiv",
    "version": 1
  }
}