Pith Number

pith:ZPU62VF7

pith:2019:ZPU62VF7PWAFTUFEUDXF2XY2P2

not attested not anchored not stored refs pending

Identifying Unclear Questions in Community Question Answering Websites

Jan Trienes, Krisztian Balog

arxiv:1901.06168 v1 · 2019-01-18 · cs.IR · 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{ZPU62VF7PWAFTUFEUDXF2XY2P2}

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	2026-05-17T23:45:52.266451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbe9ed54bf7d8059d0a4a0ee5d5f1a7e8d3ae072481b136868b4a6050edfef4a

Aliases

arxiv: 1901.06168 · arxiv_version: 1901.06168v1 · doi: 10.48550/arxiv.1901.06168 · pith_short_12: ZPU62VF7PWAF · pith_short_16: ZPU62VF7PWAFTUFE · pith_short_8: ZPU62VF7

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/ZPU62VF7PWAFTUFEUDXF2XY2P2 \
  | 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: cbe9ed54bf7d8059d0a4a0ee5d5f1a7e8d3ae072481b136868b4a6050edfef4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "264677a263d13c2b666e9a10f747a7a8a0439e95b94ab59d774f8d41b65bd58f",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-01-18T10:29:20Z",
    "title_canon_sha256": "648332c573d4de35c1bdff2909446820040d91d084af3282946ffb0dd4eb212e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06168",
    "kind": "arxiv",
    "version": 1
  }
}