Pith Number

pith:OBVIAIII

pith:2000:OBVIAIIIGWTQFD23P6IYSSMZ4Q

not attested not anchored not stored refs pending

Boolean Satisfiability with Transitivity Constraints

Miroslav N. Velev, Randal E. Bryant

arxiv:cs/0008001 v1 · 2000-08-01 · 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{OBVIAIIIGWTQFD23P6IYSSMZ4Q}

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	2026-07-04T14:24:03.875241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

706a80210835a7028f5b7f91894999e4089f9542125b45501c887c6653fc46f7

Aliases

arxiv: cs/0008001 · arxiv_version: cs/0008001v1 · doi: 10.48550/arxiv.cs/0008001 · pith_short_12: OBVIAIIIGWTQ · pith_short_16: OBVIAIIIGWTQFD23 · pith_short_8: OBVIAIII

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/OBVIAIIIGWTQFD23P6IYSSMZ4Q \
  | 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: 706a80210835a7028f5b7f91894999e4089f9542125b45501c887c6653fc46f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cdf7a582c42a17b127ac6743018d1589504369b0e86414a763778dff57a39f8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.LO",
    "submitted_at": "2000-08-01T13:51:56Z",
    "title_canon_sha256": "58e17833aeba795478bbc6b7ccd746806852daa7d14d34706ad9f189a3bd358e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0008001",
    "kind": "arxiv",
    "version": 1
  }
}