Pith Number

pith:DTGWBYO3

pith:2018:DTGWBYO35KTDUDS4NYB4VW7OWT

not attested not anchored not stored refs pending

Expert Finding in Community Question Answering: A Review

Jie Tang, Juan Bautista Cabot\`a, Sha Yuan, Yu Zhang

arxiv:1804.07958 v1 · 2018-04-21 · 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{DTGWBYO35KTDUDS4NYB4VW7OWT}

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	2026-05-18T00:17:50.045323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ccd60e1dbeaa63a0e5c6e03cadbeeb4d4c82f1620a3d918039027d52feccfdb

Aliases

arxiv: 1804.07958 · arxiv_version: 1804.07958v1 · doi: 10.48550/arxiv.1804.07958 · pith_short_12: DTGWBYO35KTD · pith_short_16: DTGWBYO35KTDUDS4 · pith_short_8: DTGWBYO3

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/DTGWBYO35KTDUDS4NYB4VW7OWT \
  | 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: 1ccd60e1dbeaa63a0e5c6e03cadbeeb4d4c82f1620a3d918039027d52feccfdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6137711fdea9d4bd3c2262f0ee230a95fa95636ed0e975305ebe515b0fe2e696",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-04-21T12:37:45Z",
    "title_canon_sha256": "ac152a831b24361ebdd294b5a2d3b77d8900e401e510f2eb5b3b8d7956a27a0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07958",
    "kind": "arxiv",
    "version": 1
  }
}