Pith Number

pith:IX3Y6JVY

pith:2018:IX3Y6JVYSGRNZVIWTHPRVSFQIE

not attested not anchored not stored refs pending

Identifying Well-formed Natural Language Questions

Dipanjan Das, Manaal Faruqui

arxiv:1808.09419 v1 · 2018-08-28 · 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{IX3Y6JVYSGRNZVIWTHPRVSFQIE}

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.

Cited by

1 paper in Pith

Bridging the Data Provenance Gap Across Text, Speech and Video

Receipt and verification

First computed	2026-05-18T00:07:01.450909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45f78f26b891a2dcd51699df1ac8b04104b83142041a9f4d1eb76375106d75e6

Aliases

arxiv: 1808.09419 · arxiv_version: 1808.09419v1 · doi: 10.48550/arxiv.1808.09419 · pith_short_12: IX3Y6JVYSGRN · pith_short_16: IX3Y6JVYSGRNZVIW · pith_short_8: IX3Y6JVY

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/IX3Y6JVYSGRNZVIWTHPRVSFQIE \
  | 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: 45f78f26b891a2dcd51699df1ac8b04104b83142041a9f4d1eb76375106d75e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cae4e4dd0b23fbc69e9feb2c3a7f1f37e9fce917501bca01f9dd4f06180b8a3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-08-28T17:20:51Z",
    "title_canon_sha256": "8a0f3bea7eda3b1900b6dfd47b0221fb175c373ba213f06c2051ebd628f57bb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09419",
    "kind": "arxiv",
    "version": 1
  }
}