Pith Number

pith:QI6JM4NF

pith:2023:QI6JM4NFYQRE7ZHSGVXPBI5IBH

not attested not anchored not stored refs pending

Data Extraction via Semantic Regular Expression Synthesis

Arko Banerjee, \c{C}a\u{g}atay Demiralp, Greg Durrett, Isil Dillig, Qiaochu Chen

arxiv:2305.10401 v2 · 2023-05-17 · 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{QI6JM4NFYQRE7ZHSGVXPBI5IBH}

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	2026-07-05T06:44:31.501722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

823c9671a5c4224fe4f2356ef0a3a809cc4e96f1f0f9da91e6322d03b41d23bd

Aliases

arxiv: 2305.10401 · arxiv_version: 2305.10401v2 · doi: 10.48550/arxiv.2305.10401 · pith_short_12: QI6JM4NFYQRE · pith_short_16: QI6JM4NFYQRE7ZHS · pith_short_8: QI6JM4NF

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/QI6JM4NFYQRE7ZHSGVXPBI5IBH \
  | 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: 823c9671a5c4224fe4f2356ef0a3a809cc4e96f1f0f9da91e6322d03b41d23bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8ce94b6ed59078631afe08d853a8d032a48d34c8f6c2cfb266a4feb45d867fb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2023-05-17T17:46:26Z",
    "title_canon_sha256": "5b62a52e93e102f8a80bca9504c575b626fd24b72eba4c708c4c951615a21b80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.10401",
    "kind": "arxiv",
    "version": 2
  }
}