Pith Number

pith:27VPNPP6

pith:2023:27VPNPP6VF6PVU3RHA2QQI6VRB

not attested not anchored not stored refs pending

On Loop Formulas with Variables

Joohyung Lee, Yunsong Meng

arxiv:2307.10226 v1 · 2023-07-15 · 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{27VPNPP6VF6PVU3RHA2QQI6VRB}

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	2026-07-05T06:32:55.419811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7eaf6bdfea97cfad37138350823d588533da1092ba4f159e51f90860d7c5626

Aliases

arxiv: 2307.10226 · arxiv_version: 2307.10226v1 · doi: 10.48550/arxiv.2307.10226 · pith_short_12: 27VPNPP6VF6P · pith_short_16: 27VPNPP6VF6PVU3R · pith_short_8: 27VPNPP6

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/27VPNPP6VF6PVU3RHA2QQI6VRB \
  | 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: d7eaf6bdfea97cfad37138350823d588533da1092ba4f159e51f90860d7c5626

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e40bab430953f038ad492d77616037e24dfa74563a7f5047b99ad4a5cabc9cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2023-07-15T06:20:43Z",
    "title_canon_sha256": "cda6a28bd8bb1a13a2a72860c481ec5008e6f1ef5707991db89c2a5a6441338b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.10226",
    "kind": "arxiv",
    "version": 1
  }
}