Pith Number

pith:FRC3SDC3

pith:2025:FRC3SDC3MZXMHNPKOGIUB3UTVT

not attested not anchored not stored refs pending

Positive Characteristic Sets for Relational Pattern Languages

Sandra Zilles, S. Mahmoud Mousawi

arxiv:2511.12039 v2 · 2025-11-15 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FRC3SDC3MZXMHNPKOGIUB3UTVT}

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	2026-05-20T00:04:17.229861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c45b90c5b666ec3b5ea719140ee93acfc6790c8941927256ac651ba315bc95d

Aliases

arxiv: 2511.12039 · arxiv_version: 2511.12039v2 · doi: 10.48550/arxiv.2511.12039 · pith_short_12: FRC3SDC3MZXM · pith_short_16: FRC3SDC3MZXMHNPK · pith_short_8: FRC3SDC3

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/FRC3SDC3MZXMHNPKOGIUB3UTVT \
  | 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: 2c45b90c5b666ec3b5ea719140ee93acfc6790c8941927256ac651ba315bc95d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9a88fa92a8e231f5501761841353791d0491be1d88dbe9d8a6a0838dda4e047",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2025-11-15T05:16:32Z",
    "title_canon_sha256": "a4fd789eb4162069928add2f082e6ceb69153663f5b41b6ecb6534771771deae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2511.12039",
    "kind": "arxiv",
    "version": 2
  }
}