Pith Number

pith:CJ63KDV7

pith:2022:CJ63KDV7Q2YXDHYCK4YVBCTC7M

not attested not anchored not stored refs pending

Landmarks and Regions: A Robust Approach to Data Extraction

Anirudh Khatry, Arjun Radhakrishna, Arun Iyer, Lincy Pattanaik, Mohammad Raza, Sriram Rajamani, Suresh Parthasarathy

arxiv:2204.05021 v1 · 2022-04-11 · cs.SE · cs.IR · 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{CJ63KDV7Q2YXDHYCK4YVBCTC7M}

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	2026-07-05T04:13:16.675199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

127db50ebf86b1719f025731508a62fb0e05eaeadeed17b888e617777c9dd3eb

Aliases

arxiv: 2204.05021 · arxiv_version: 2204.05021v1 · doi: 10.48550/arxiv.2204.05021 · pith_short_12: CJ63KDV7Q2YX · pith_short_16: CJ63KDV7Q2YXDHYC · pith_short_8: CJ63KDV7

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/CJ63KDV7Q2YXDHYCK4YVBCTC7M \
  | 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: 127db50ebf86b1719f025731508a62fb0e05eaeadeed17b888e617777c9dd3eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff97b7308a36505cbdc21680524030439e7b126298222283aaf871974ea864de",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2022-04-11T11:40:22Z",
    "title_canon_sha256": "d45907c0dfc455a786e070bfe4a7cc5a99ef987443ac555d2aa015fe1195b477"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.05021",
    "kind": "arxiv",
    "version": 1
  }
}