Pith Number

pith:MCSOU3QX

pith:2022:MCSOU3QX3QMXFKJGJFS3ROVEHB

not attested not anchored not stored refs pending

Type checking data structures more complex than trees

Jin Sano, Kazunori Ueda, Naoki Yamamoto

arxiv:2209.05149 v1 · 2022-09-12 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MCSOU3QX3QMXFKJGJFS3ROVEHB}

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	2026-07-05T04:56:27.442698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60a4ea6e17dc1972a9264965b8baa438773458962faa7a1237122521faef4744

Aliases

arxiv: 2209.05149 · arxiv_version: 2209.05149v1 · doi: 10.48550/arxiv.2209.05149 · pith_short_12: MCSOU3QX3QMX · pith_short_16: MCSOU3QX3QMXFKJG · pith_short_8: MCSOU3QX

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/MCSOU3QX3QMXFKJGJFS3ROVEHB \
  | 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: 60a4ea6e17dc1972a9264965b8baa438773458962faa7a1237122521faef4744

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73558fb8d75f4d8f2ec45d441e4784d8f947a6a8a0b9942e28a067852d04d749",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2022-09-12T11:09:47Z",
    "title_canon_sha256": "3e64f1c7c66e569c813910ca1f0a482aa520fec1a93018ff650570ae30c14c82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.05149",
    "kind": "arxiv",
    "version": 1
  }
}