Pith Number

pith:BKPKZ7WK

pith:2017:BKPKZ7WKIHTJWRPVC7H3NZIXOH

not attested not anchored not stored refs pending

Building a Web-Scale Dependency-Parsed Corpus from CommonCrawl

Alexander Panchenko, Chris Biemann, Eugen Ruppert, Simone Paolo Ponzetto, Stefano Faralli

arxiv:1710.01779 v2 · 2017-10-04 · cs.CL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BKPKZ7WKIHTJWRPVC7H3NZIXOH}

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	2026-05-18T00:22:20.684841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a9eacfeca41e69b45f517cfb6e51771c1940945f39e5be7622da3dfffcd0d5d

Aliases

arxiv: 1710.01779 · arxiv_version: 1710.01779v2 · doi: 10.48550/arxiv.1710.01779 · pith_short_12: BKPKZ7WKIHTJ · pith_short_16: BKPKZ7WKIHTJWRPV · pith_short_8: BKPKZ7WK

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/BKPKZ7WKIHTJWRPVC7H3NZIXOH \
  | 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: 0a9eacfeca41e69b45f517cfb6e51771c1940945f39e5be7622da3dfffcd0d5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc065ace7a0ed66cf278d8afa162a5f6103f735045786277e7f28803e6533359",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-10-04T19:42:37Z",
    "title_canon_sha256": "8ec2e100843a41c538b2003ece163e09d87e946b891f3bd01430502248fb20a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01779",
    "kind": "arxiv",
    "version": 2
  }
}