Pith Number

pith:HPH3H6UH

pith:2021:HPH3H6UHPK5ZEZNADTSWUDPKQ2

not attested not anchored not stored refs pending

Relational E-Matching

Max Willsey, Yihong Zhang, Yisu Remy Wang, Zachary Tatlock

arxiv:2108.02290 v2 · 2021-08-04 · cs.DB · 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{HPH3H6UHPK5ZEZNADTSWUDPKQ2}

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.

Cited by

1 paper in Pith

rEGGression: an Interactive and Agnostic Tool for the Exploration of Symbolic Regression Models

Receipt and verification

First computed	2026-07-05T03:46:21.181216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bcfb3fa877abb9265a01ce56a0dea869176be63dd3a501f3cb67ef0c96e64ce

Aliases

arxiv: 2108.02290 · arxiv_version: 2108.02290v2 · doi: 10.48550/arxiv.2108.02290 · pith_short_12: HPH3H6UHPK5Z · pith_short_16: HPH3H6UHPK5ZEZNA · pith_short_8: HPH3H6UH

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/HPH3H6UHPK5ZEZNADTSWUDPKQ2 \
  | 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: 3bcfb3fa877abb9265a01ce56a0dea869176be63dd3a501f3cb67ef0c96e64ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95bf1a8108c59c83a4a93015d4ae25ce2a3ca14dc5348179d3e80b484d032bb4",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2021-08-04T21:23:28Z",
    "title_canon_sha256": "29f912b0230fa7fe7291797d5d6311846dcf9dd8b8cd4aae6d781ac922d9c904"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.02290",
    "kind": "arxiv",
    "version": 2
  }
}