Pith Number

pith:2HQFJ24K

pith:2019:2HQFJ24KKJVBQJHO2IPKPMB2I2

not attested not anchored not stored refs pending

Asking Clarifying Questions in Open-Domain Information-Seeking Conversations

Fabio Crestani, Hamed Zamani, Mohammad Aliannejadi, W. Bruce Croft

arxiv:1907.06554 v1 · 2019-07-15 · cs.CL · cs.AI · cs.IR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2HQFJ24KKJVBQJHO2IPKPMB2I2}

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	2026-05-17T23:40:37.444611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1e054eb8a526a1824eed21ea7b03a468ee318a4fde973d93285de9a5da113cf

Aliases

arxiv: 1907.06554 · arxiv_version: 1907.06554v1 · doi: 10.48550/arxiv.1907.06554 · pith_short_12: 2HQFJ24KKJVB · pith_short_16: 2HQFJ24KKJVBQJHO · pith_short_8: 2HQFJ24K

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/2HQFJ24KKJVBQJHO2IPKPMB2I2 \
  | 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: d1e054eb8a526a1824eed21ea7b03a468ee318a4fde973d93285de9a5da113cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eabadf7cde4842363b44158037c48bb9d7a747265866257a5aeba5c7a9e8c597",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-07-15T15:45:37Z",
    "title_canon_sha256": "e683138c2c1698d173b9f3d2c0290009e027aa6ecdac10d3b273c16a97d8fe93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06554",
    "kind": "arxiv",
    "version": 1
  }
}