Pith Number

pith:PFNYFSOC

pith:2021:PFNYFSOC52HAMLFTHESZWSA4DN

not attested not anchored not stored refs pending

Metatheory.jl: Fast and Elegant Algebraic Computation in Julia with Extensible Equality Saturation

Alessandro Cheli

arxiv:2102.07888 v1 · 2021-02-15 · 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{PFNYFSOC52HAMLFTHESZWSA4DN}

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	2026-07-05T02:31:22.841939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

795b82c9c2ee8e062cb339259b481c1b7a984b765998815a9fcd3349a2941476

Aliases

arxiv: 2102.07888 · arxiv_version: 2102.07888v1 · doi: 10.48550/arxiv.2102.07888 · pith_short_12: PFNYFSOC52HA · pith_short_16: PFNYFSOC52HAMLFT · pith_short_8: PFNYFSOC

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/PFNYFSOC52HAMLFTHESZWSA4DN \
  | 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: 795b82c9c2ee8e062cb339259b481c1b7a984b765998815a9fcd3349a2941476

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40ec10612eb08e5180d6a27ed7a0400f3ef15c1894e80308fdd3e870e3441b15",
    "cross_cats_sorted": [
      "cs.SC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2021-02-15T22:58:18Z",
    "title_canon_sha256": "82eab32ac40dec7df64927c2031677a1aa4bcc92159ee68df395f171cd6ad7de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.07888",
    "kind": "arxiv",
    "version": 1
  }
}