Pith Number

pith:TPEXXINS

pith:2026:TPEXXINS3K6E7JOPQYJXPFRNNR

not attested not anchored not stored refs pending

Evidence-Grounded Constraint Checking in Construction Documents

Hugo Berard, Rashid Mushkani, Shin Koseki

arxiv:2607.29058 v1 · 2026-07-31 · 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{TPEXXINS3K6E7JOPQYJXPFRNNR}

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	2026-08-03T01:18:12.677240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bc97ba1b2dabc4fa5cf861377962d6c5e95149995a2b7f57dcaf80ec1d3510a

Aliases

arxiv: 2607.29058 · arxiv_version: 2607.29058v1 · doi: 10.48550/arxiv.2607.29058 · pith_short_12: TPEXXINS3K6E · pith_short_16: TPEXXINS3K6E7JOP · pith_short_8: TPEXXINS

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/TPEXXINS3K6E7JOPQYJXPFRNNR \
  | 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: 9bc97ba1b2dabc4fa5cf861377962d6c5e95149995a2b7f57dcaf80ec1d3510a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aec3713bb305bf670fd38256ea4852825172a57faae2a722d6946dd0c99c6a86",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-31T06:25:41Z",
    "title_canon_sha256": "1d55fece2d08606d3d23623ad34b4667574381d8a2e91d25c695b97ce6dffb4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.29058",
    "kind": "arxiv",
    "version": 1
  }
}