Pith Number

pith:HH6JX7XK

pith:2019:HH6JX7XKVNJPLM3BPDC2FI7GXM

not attested not anchored not stored refs pending

Overview of the Ugglan Entity Discovery and Linking System

Firas Dib, Marcus Klang, Pierre Nugues

arxiv:1903.05498 v1 · 2019-03-13 · 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{HH6JX7XKVNJPLM3BPDC2FI7GXM}

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	2026-05-17T23:51:20.754413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39fc9bfeeaab52f5b36178c5a2a3e6bb39f40bf01157b07ee8ee5cdd5f18a99d

Aliases

arxiv: 1903.05498 · arxiv_version: 1903.05498v1 · doi: 10.48550/arxiv.1903.05498 · pith_short_12: HH6JX7XKVNJP · pith_short_16: HH6JX7XKVNJPLM3B · pith_short_8: HH6JX7XK

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/HH6JX7XKVNJPLM3BPDC2FI7GXM \
  | 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: 39fc9bfeeaab52f5b36178c5a2a3e6bb39f40bf01157b07ee8ee5cdd5f18a99d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e5b15af2022a5355161842d3d74c7164cfce2e19790469de56eea8f6c1e330d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-03-13T14:03:50Z",
    "title_canon_sha256": "d1bb1b9429cf4ead1a28e8af1cd9c310395960b9ccfc2a819fc3187732c43e87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05498",
    "kind": "arxiv",
    "version": 1
  }
}