Pith Number

pith:R3WOO4CU

pith:2017:R3WOO4CUBZTPEG5WJRWCDXIFXI

not attested not anchored not stored refs pending

MatchPy: A Pattern Matching Library

Henrik Barthels, Manuel Krebber, Paolo Bientinesi

arxiv:1710.06915 v1 · 2017-10-16 · cs.PL · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R3WOO4CUBZTPEG5WJRWCDXIFXI}

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	2026-05-18T00:32:27.701415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8eece770540e66f21bb64c6c21dd05ba361c71f81100f5e3e0d2dd89ed198fe4

Aliases

arxiv: 1710.06915 · arxiv_version: 1710.06915v1 · doi: 10.48550/arxiv.1710.06915 · pith_short_12: R3WOO4CUBZTP · pith_short_16: R3WOO4CUBZTPEG5W · pith_short_8: R3WOO4CU

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/R3WOO4CUBZTPEG5WJRWCDXIFXI \
  | 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: 8eece770540e66f21bb64c6c21dd05ba361c71f81100f5e3e0d2dd89ed198fe4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65e7b917c1d9364998042340a588cdcfcb9ae75ac4047721441f56e1fe6cc7d6",
    "cross_cats_sorted": [
      "cs.SC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2017-10-16T22:29:25Z",
    "title_canon_sha256": "b8d8699cc7b63aa1dac1e2cb53848d1c18cbb9b6586b7b3e31462f7809b04578"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.06915",
    "kind": "arxiv",
    "version": 1
  }
}