Pith Number

pith:2H5BCRNC

pith:2021:2H5BCRNCTWMHCUGFCTOX63GZ4F

not attested not anchored not stored refs pending

Rewrite Rule Inference Using Equality Saturation

Adam Anderson, Adriana Schulz, Amy Zhu, Brett Saiki, Chandrakana Nandi, Dan Grossman, Max Willsey, Yisu Remy Wang, Zachary Tatlock

arxiv:2108.10436 v1 · 2021-08-23 · 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{2H5BCRNCTWMHCUGFCTOX63GZ4F}

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	2026-07-05T03:08:09.612665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1fa1145a29d987150c514dd7f6cd9e15c967d43a4817ce76d6873d79abbfff6

Aliases

arxiv: 2108.10436 · arxiv_version: 2108.10436v1 · doi: 10.48550/arxiv.2108.10436 · pith_short_12: 2H5BCRNCTWMH · pith_short_16: 2H5BCRNCTWMHCUGF · pith_short_8: 2H5BCRNC

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/2H5BCRNCTWMHCUGFCTOX63GZ4F \
  | 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: d1fa1145a29d987150c514dd7f6cd9e15c967d43a4817ce76d6873d79abbfff6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d1567541d320ea76648fb1baaf82dff2b4b59ce853e7d9d6dacdfa8d9e5a8f4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2021-08-23T22:49:42Z",
    "title_canon_sha256": "6d298d584107d25e9aa6e244be89642e6d1c81303341e2f5d10c7c2019726f42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.10436",
    "kind": "arxiv",
    "version": 1
  }
}