Pith Number

pith:Q3JMPIF3

pith:2019:Q3JMPIF37XWL47ZBCSOIGSTP6S

not attested not anchored not stored refs pending

Sub-event detection from Twitter streams as a sequence labeling problem

Chris Develder, Giannis Bekoulis, Johannes Deleu, Thomas Demeester

arxiv:1903.05396 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{Q3JMPIF37XWL47ZBCSOIGSTP6S}

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	2026-05-17T23:51:24.397159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86d2c7a0bbfdecbe7f21149c834a6ff4932591734b3e59d901409ef7bdb440c1

Aliases

arxiv: 1903.05396 · arxiv_version: 1903.05396v1 · doi: 10.48550/arxiv.1903.05396 · pith_short_12: Q3JMPIF37XWL · pith_short_16: Q3JMPIF37XWL47ZB · pith_short_8: Q3JMPIF3

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/Q3JMPIF37XWL47ZBCSOIGSTP6S \
  | 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: 86d2c7a0bbfdecbe7f21149c834a6ff4932591734b3e59d901409ef7bdb440c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d57eddacb63d714e9160c66379b22fb1cc399b764a6834e566d3151b87130ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-03-13T10:23:38Z",
    "title_canon_sha256": "47d92361a25f2cd1823ee6a0335735b40451c5d6489df034d240571c223dbdfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05396",
    "kind": "arxiv",
    "version": 1
  }
}