Pith Number

pith:M5UII47B

pith:2019:M5UII47BWT4XVFRBLDTHNI5N2A

not attested not anchored not stored refs pending

FlexNER: A Flexible LSTM-CNN Stack Framework for Named Entity Recognition

Hongyin Zhu, Wenpeng Hu, Yi Zeng

arxiv:1908.05009 v1 · 2019-08-14 · 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{M5UII47BWT4XVFRBLDTHNI5N2A}

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	2026-07-04T23:55:59.104828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67688473e1b4f97a962158e676a3add0326e4bc86e47279aed1f8c9ca4793c31

Aliases

arxiv: 1908.05009 · arxiv_version: 1908.05009v1 · doi: 10.48550/arxiv.1908.05009 · pith_short_12: M5UII47BWT4X · pith_short_16: M5UII47BWT4XVFRB · pith_short_8: M5UII47B

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/M5UII47BWT4XVFRBLDTHNI5N2A \
  | 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: 67688473e1b4f97a962158e676a3add0326e4bc86e47279aed1f8c9ca4793c31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1f9b25037953adffc36ec75980a0f2aef19eea549afc05b77ea0d2d9962bd09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-14T08:06:14Z",
    "title_canon_sha256": "4a71333a4efb44f3bd37e59c7546c36246b153044b9012a6ca18b32666def561"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05009",
    "kind": "arxiv",
    "version": 1
  }
}