Pith Number

pith:PSIIDVQJ

pith:2018:PSIIDVQJBJF5EDLBVSCJULH2XU

not attested not anchored not stored refs pending

Analyzing and Characterizing User Intent in Information-seeking Conversations

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

arxiv:1804.08759 v1 · 2018-04-23 · 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{PSIIDVQJBJF5EDLBVSCJULH2XU}

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	2026-05-18T00:17:37.433341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c9081d6090a4bd20d61ac849a2cfabd337994ed7ec472dd875f203cf00b3c34

Aliases

arxiv: 1804.08759 · arxiv_version: 1804.08759v1 · doi: 10.48550/arxiv.1804.08759 · pith_short_12: PSIIDVQJBJF5 · pith_short_16: PSIIDVQJBJF5EDLB · pith_short_8: PSIIDVQJ

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/PSIIDVQJBJF5EDLBVSCJULH2XU \
  | 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: 7c9081d6090a4bd20d61ac849a2cfabd337994ed7ec472dd875f203cf00b3c34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "518f00eed106d53a1b19a9b83cfc1c3c09391fc461490a57d3d3c897b95d2ad0",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-04-23T22:07:28Z",
    "title_canon_sha256": "4cf3ea118921a322eceba817413d7ec883a20d6fd4f33397f3565db0671bed80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08759",
    "kind": "arxiv",
    "version": 1
  }
}