Pith Number

pith:KEO7E7JI

pith:2021:KEO7E7JI3Y4Y6WVEYF3OYRLQEV

not attested not anchored not stored refs pending

Making Document-Level Information Extraction Right for the Right Reasons

Abhijeet Pradhan, Dhruv Rajan, Greg Durrett, Liyan Tang, R. Nick Bryan, Suyash Mohan

arxiv:2110.07686 v2 · 2021-10-14 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KEO7E7JI3Y4Y6WVEYF3OYRLQEV}

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	2026-07-05T04:24:23.329590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

511df27d28de398f5aa4c176ec4570257b05b7d497ffa85f94958969711f950d

Aliases

arxiv: 2110.07686 · arxiv_version: 2110.07686v2 · doi: 10.48550/arxiv.2110.07686 · pith_short_12: KEO7E7JI3Y4Y · pith_short_16: KEO7E7JI3Y4Y6WVE · pith_short_8: KEO7E7JI

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/KEO7E7JI3Y4Y6WVEYF3OYRLQEV \
  | 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: 511df27d28de398f5aa4c176ec4570257b05b7d497ffa85f94958969711f950d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aeb7e8a7d4230093602fa8a496fabcc95a09850f111b3400fa2c212ca2afebe0",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-10-14T19:52:47Z",
    "title_canon_sha256": "9bf4c572b7344bb2ed66661d379e3897c35c6d8a1da1e99fc60cc170ae62af47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.07686",
    "kind": "arxiv",
    "version": 2
  }
}