Pith Number

pith:GPSFV7XY

pith:2019:GPSFV7XYPG54RBZUZ27PHLWSSB

not attested not anchored not stored refs pending

Partially-supervised Mention Detection

James Henderson, Lesly Miculicich

arxiv:1908.09507 v1 · 2019-08-26 · cs.CL · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GPSFV7XYPG54RBZUZ27PHLWSSB}

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	2026-07-04T23:59:40.883274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33e45afef879bbc88734cebef3aed290609a58e5a2fb4f6951fe3e86e02d0a5f

Aliases

arxiv: 1908.09507 · arxiv_version: 1908.09507v1 · doi: 10.48550/arxiv.1908.09507 · pith_short_12: GPSFV7XYPG54 · pith_short_16: GPSFV7XYPG54RBZU · pith_short_8: GPSFV7XY

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/GPSFV7XYPG54RBZUZ27PHLWSSB \
  | 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: 33e45afef879bbc88734cebef3aed290609a58e5a2fb4f6951fe3e86e02d0a5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e7c71150520ee350daf708599a1ddd7e80d2b6c5549a5efc8c2e379600507cf",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-26T07:40:33Z",
    "title_canon_sha256": "2e2066303ac5b9e7a1c9402d1b797d9e4cd2ab4deba2c9d79f1caa405fae6261"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09507",
    "kind": "arxiv",
    "version": 1
  }
}