Pith Number

pith:Z5ZNCAPI

pith:2020:Z5ZNCAPIOEPXFPB2NJ5VMPBBCE

not attested not anchored not stored refs pending

ScopeIt: Scoping Task Relevant Sentences in Documents

Barun Patra, Chala Fufa, Charles Lee, Pamela Bhattacharya, Vishwas Suryanarayanan

arxiv:2003.04988 v2 · 2020-02-23 · cs.CL · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z5ZNCAPIOEPXFPB2NJ5VMPBBCE}

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	2026-07-05T01:51:39.925435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf72d101e8711f72bc3a6a7b563c2111377fab5ae72aa4c399338994655ab144

Aliases

arxiv: 2003.04988 · arxiv_version: 2003.04988v2 · doi: 10.48550/arxiv.2003.04988 · pith_short_12: Z5ZNCAPIOEPX · pith_short_16: Z5ZNCAPIOEPXFPB2 · pith_short_8: Z5ZNCAPI

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/Z5ZNCAPIOEPXFPB2NJ5VMPBBCE \
  | 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: cf72d101e8711f72bc3a6a7b563c2111377fab5ae72aa4c399338994655ab144

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc783ad760f88dd1d2426c10778f9afd0d0be31d5a2e5dfd81d36a566edebabe",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-02-23T02:33:10Z",
    "title_canon_sha256": "9cc4782ec19ca1e42ea4f45c2082b3080ca398322f216e579589cc4b66a315ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.04988",
    "kind": "arxiv",
    "version": 2
  }
}