Pith Number

pith:FL7DS4LB

pith:2015:FL7DS4LBDAW45T7EAKDP5Z352G

not attested not anchored not stored refs pending

T2: Temporal Property Verification

Byron Cook, Heidy Khlaaf, Marc Brockschmidt, Nir Piterman, Samin Ishtiaq

arxiv:1512.08689 v2 · 2015-12-29 · 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{FL7DS4LBDAW45T7EAKDP5Z352G}

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	2026-05-18T01:23:18.376283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2afe397161182dcecfe40286fee77dd194bfab668770d60fffff6321d03947e1

Aliases

arxiv: 1512.08689 · arxiv_version: 1512.08689v2 · doi: 10.48550/arxiv.1512.08689 · pith_short_12: FL7DS4LBDAW4 · pith_short_16: FL7DS4LBDAW45T7E · pith_short_8: FL7DS4LB

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/FL7DS4LBDAW45T7EAKDP5Z352G \
  | 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: 2afe397161182dcecfe40286fee77dd194bfab668770d60fffff6321d03947e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0249582914018151afffedd0102db8c906d5ab8d2b07459fb235f99d1be37d68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-12-29T14:20:30Z",
    "title_canon_sha256": "5646dbfe597a47fede7d5a429ad7561fc1bdc3a5e087e288870ccadc00e18e57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08689",
    "kind": "arxiv",
    "version": 2
  }
}