Pith Number

pith:FDE27SDK

pith:2019:FDE27SDKA3RIK3ULO64RUOJZVV

not attested not anchored not stored refs pending

User Intent Prediction in Information-seeking Conversations

Bruce Croft, Chen Qu, Johanne R. Trippas, Liu Yang, Minghui Qiu, Yongfeng Zhang

arxiv:1901.03489 v1 · 2019-01-11 · 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{FDE27SDKA3RIK3ULO64RUOJZVV}

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	2026-05-17T23:56:31.115668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28c9afc86a06e2856e8b77b91a3939ad456a61d9b448e911b27be36c1d77a538

Aliases

arxiv: 1901.03489 · arxiv_version: 1901.03489v1 · doi: 10.48550/arxiv.1901.03489 · pith_short_12: FDE27SDKA3RI · pith_short_16: FDE27SDKA3RIK3UL · pith_short_8: FDE27SDK

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/FDE27SDKA3RIK3ULO64RUOJZVV \
  | 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: 28c9afc86a06e2856e8b77b91a3939ad456a61d9b448e911b27be36c1d77a538

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9fa89080d4eb4990e7fc73e39e61ba705da3ee9c3f72b96a8d127637a4b9ebb",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-01-11T05:53:13Z",
    "title_canon_sha256": "0de436eeb191b4f9e69aa272e101a1e5faf957f75a07ec83170685444949fd65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03489",
    "kind": "arxiv",
    "version": 1
  }
}