Pith Number

pith:UBT77CE2

pith:2018:UBT77CE2X5VR2WDOYSM5J4RREW

not attested not anchored not stored refs pending

Fine-grained Entity Typing through Increased Discourse Context and Adaptive Classification Thresholds

Benjamin Van Durme, Kevin Duh, Sheng Zhang

arxiv:1804.08000 v1 · 2018-04-21 · 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{UBT77CE2X5VR2WDOYSM5J4RREW}

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	2026-05-18T00:17:49.862607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a067ff889abf6b1d586ec499d4f2312596449cbd73325dffbf4f146ce8e4a249

Aliases

arxiv: 1804.08000 · arxiv_version: 1804.08000v1 · doi: 10.48550/arxiv.1804.08000 · pith_short_12: UBT77CE2X5VR · pith_short_16: UBT77CE2X5VR2WDO · pith_short_8: UBT77CE2

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/UBT77CE2X5VR2WDOYSM5J4RREW \
  | 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: a067ff889abf6b1d586ec499d4f2312596449cbd73325dffbf4f146ce8e4a249

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ead7fc7b903391abc09eee2c121954abfe87a10d6774c35b6c9b88db318952db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-04-21T17:21:28Z",
    "title_canon_sha256": "2e3694cb5cb88e70565a5700cdbf6b3ddbd9aacd1b3a9c129d9f6d9e08170b3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08000",
    "kind": "arxiv",
    "version": 1
  }
}