Pith Number

pith:3M7D5Z2K

pith:2026:3M7D5Z2K4QITXQO6FQE3FKYWNF

not attested not anchored not stored refs pending

Unifying Semantic Path Order and Weighted Path Order

Nao Hirokawa, Teppei Saito

arxiv:2605.29393 v1 · 2026-05-28 · 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{3M7D5Z2K4QITXQO6FQE3FKYWNF}

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	2026-05-29T01:05:36.716759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db3e3ee74ae4113bc1de2c09b2ab166954f85afbb7e4e8cd5460fd1d82aba744

Aliases

arxiv: 2605.29393 · arxiv_version: 2605.29393v1 · doi: 10.48550/arxiv.2605.29393 · pith_short_12: 3M7D5Z2K4QIT · pith_short_16: 3M7D5Z2K4QITXQO6 · pith_short_8: 3M7D5Z2K

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/3M7D5Z2K4QITXQO6FQE3FKYWNF \
  | 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: db3e3ee74ae4113bc1de2c09b2ab166954f85afbb7e4e8cd5460fd1d82aba744

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78842da4e6c1fd6f0a108012fdd4ce5dbbc9f97d64517221441fbd8c8a3bdb10",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-05-28T05:44:35Z",
    "title_canon_sha256": "6b632fb4c67ebb17b3d33edcd5befc2e3e9c8785db6b2849eca2b9a3495dbb52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29393",
    "kind": "arxiv",
    "version": 1
  }
}