Pith Number

pith:D6CT72O3

pith:2014:D6CT72O3IFHJ6MVPVI72Q3Z7A2

not attested not anchored not stored refs pending

Complex Question Answering: Unsupervised Learning Approaches and Experiments

Sadid A. Hasan, Shafiq Rayhan Joty, Yllias Chali

arxiv:1401.3479 v1 · 2014-01-15 · cs.CL · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D6CT72O3IFHJ6MVPVI72Q3Z7A2}

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	2026-05-18T03:02:08.777402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f853fe9db414e9f32afaa3fa86f3f06b8b78ced049f43d6d311874b02d13d5e

Aliases

arxiv: 1401.3479 · arxiv_version: 1401.3479v1 · doi: 10.48550/arxiv.1401.3479 · pith_short_12: D6CT72O3IFHJ · pith_short_16: D6CT72O3IFHJ6MVP · pith_short_8: D6CT72O3

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/D6CT72O3IFHJ6MVPVI72Q3Z7A2 \
  | 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: 1f853fe9db414e9f32afaa3fa86f3f06b8b78ced049f43d6d311874b02d13d5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e3310c1d953da532013f7d16031cf2cf12b0e0153e3da3dee3435d513b79525",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2014-01-15T05:33:57Z",
    "title_canon_sha256": "5eba35be823bd13d8574ac80a0024715c3d48b8a7fc73a4ba924aecd4ae154f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3479",
    "kind": "arxiv",
    "version": 1
  }
}