Pith Number

pith:4UQNMXMR

pith:2019:4UQNMXMRLN32LR4YNTLCXKLC4I

not attested not anchored not stored refs pending

Joint Learning of Named Entity Recognition and Entity Linking

Andr\'e F. T. Martins, Pedro Henrique Martins, Zita Marinho

arxiv:1907.08243 v1 · 2019-07-18 · 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{4UQNMXMRLN32LR4YNTLCXKLC4I}

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	2026-05-17T23:40:10.461218Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e520d65d915b77a5c7986cd62ba962e21c93bf88afc89d238a35e7b33d187bd0

Aliases

arxiv: 1907.08243 · arxiv_version: 1907.08243v1 · doi: 10.48550/arxiv.1907.08243 · pith_short_12: 4UQNMXMRLN32 · pith_short_16: 4UQNMXMRLN32LR4Y · pith_short_8: 4UQNMXMR

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/4UQNMXMRLN32LR4YNTLCXKLC4I \
  | 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: e520d65d915b77a5c7986cd62ba962e21c93bf88afc89d238a35e7b33d187bd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87819cd3997fb1b8d34da94e61282ab3f4671250b6d698c713bfffdac940707a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-07-18T18:47:33Z",
    "title_canon_sha256": "43ca5fc920b3fa60bf658aa1b8be546e2339004d80e6b49ff7ce8803e177bc69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08243",
    "kind": "arxiv",
    "version": 1
  }
}