Pith Number

pith:ZAVPQDNS

pith:2019:ZAVPQDNST3NPU22B6J2EWIXGMI

not attested not anchored not stored refs pending

Effective weakly supervised semantic frame induction using expression sharing in hierarchical hidden Markov models

Bart Ons, Guy De Pauw, Hugo Van hamme, Janneke van de Loo, Jort F. Gemmeke, Walter Daelemans

arxiv:1901.10680 v1 · 2019-01-30 · 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{ZAVPQDNST3NPU22B6J2EWIXGMI}

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	2026-05-17T23:55:06.285803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c82af80db29edafa6b41f2744b22e66201375108e02f61a1212fd677d495e063

Aliases

arxiv: 1901.10680 · arxiv_version: 1901.10680v1 · doi: 10.48550/arxiv.1901.10680 · pith_short_12: ZAVPQDNST3NP · pith_short_16: ZAVPQDNST3NPU22B · pith_short_8: ZAVPQDNS

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/ZAVPQDNST3NPU22B6J2EWIXGMI \
  | 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: c82af80db29edafa6b41f2744b22e66201375108e02f61a1212fd677d495e063

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d897bd8d7c5c091796cf140c72a7335b88fb92d3329f116884c48e47bf6d9ca",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-01-30T05:49:17Z",
    "title_canon_sha256": "926b3adc5dba095f944eeedcb07021b31dc2c9ce5f07673bd5095ea3fa5c8f13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10680",
    "kind": "arxiv",
    "version": 1
  }
}