Pith Number

pith:YTZWHQOR

pith:2018:YTZWHQOR7B7SH2HONMW27PWC3B

not attested not anchored not stored refs pending

Non-linear Pattern Matching with Backtracking for Non-free Data Types

Satoshi Egi, Yuichi Nishiwaki

arxiv:1808.10603 v2 · 2018-08-31 · 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{YTZWHQOR7B7SH2HONMW27PWC3B}

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	2026-05-17T23:45:04.517032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4f363c1d1f87f23e8ee6b2dafbec2d855d44489ed99b3f88e281cf0ee7ce562

Aliases

arxiv: 1808.10603 · arxiv_version: 1808.10603v2 · doi: 10.48550/arxiv.1808.10603 · pith_short_12: YTZWHQOR7B7S · pith_short_16: YTZWHQOR7B7SH2HO · pith_short_8: YTZWHQOR

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/YTZWHQOR7B7SH2HONMW27PWC3B \
  | 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: c4f363c1d1f87f23e8ee6b2dafbec2d855d44489ed99b3f88e281cf0ee7ce562

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e46d7367334d022f53f5b1783d4de071d07faa12ab034802c3f3083f7e0c7a34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-08-31T06:08:55Z",
    "title_canon_sha256": "1eef0762a4b288ebaa481b245dd303a0cbf4e822ed9fab63b0aa797c9d97fd94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10603",
    "kind": "arxiv",
    "version": 2
  }
}