Pith Number

pith:I25NK5SS

pith:2018:I25NK5SSIBNP3UQUFGP4DL3C34

not attested not anchored not stored refs pending

Open Information Extraction on Scientific Text: An Evaluation

Antony Scerri, Michael Lauruhn, Paul Groth, Ron Daniel Jr

arxiv:1802.05574 v2 · 2018-02-15 · 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{I25NK5SSIBNP3UQUFGP4DL3C34}

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	2026-05-18T00:07:32.788839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46bad57652405afdd214299fc1af62df36b6ddfcac414fe8c7381c9117fb54e9

Aliases

arxiv: 1802.05574 · arxiv_version: 1802.05574v2 · doi: 10.48550/arxiv.1802.05574 · pith_short_12: I25NK5SSIBNP · pith_short_16: I25NK5SSIBNP3UQU · pith_short_8: I25NK5SS

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/I25NK5SSIBNP3UQUFGP4DL3C34 \
  | 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: 46bad57652405afdd214299fc1af62df36b6ddfcac414fe8c7381c9117fb54e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6434890c4234c1fa2c93bf7c8420adf4b20b8a633c1af3568c9bf3e00c436446",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-02-15T14:38:46Z",
    "title_canon_sha256": "c774513bfea508224dc796d9864627df193f613d1ed0ee7b04d16aee63222cb5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05574",
    "kind": "arxiv",
    "version": 2
  }
}