Pith Number

pith:A6NAPPNO

pith:2016:A6NAPPNOTGXOE2E3O6BOXEVBQ4

not attested not anchored not stored refs pending

Retrieving and Ranking Similar Questions from Question-Answer Archives Using Topic Modelling and Topic Distribution Regression

Pedro Chahuara, Pierre Gancarski, Thomas Lampert

arxiv:1606.03783 v1 · 2016-06-12 · cs.IR · cs.CL · 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{A6NAPPNOTGXOE2E3O6BOXEVBQ4}

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	2026-05-18T00:02:22.705141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

079a07bdae99aee2689b7782eb92a18713e7717e8ed227d1a4648972a4547c20

Aliases

arxiv: 1606.03783 · arxiv_version: 1606.03783v1 · doi: 10.48550/arxiv.1606.03783 · pith_short_12: A6NAPPNOTGXO · pith_short_16: A6NAPPNOTGXOE2E3 · pith_short_8: A6NAPPNO

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/A6NAPPNOTGXOE2E3O6BOXEVBQ4 \
  | 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: 079a07bdae99aee2689b7782eb92a18713e7717e8ed227d1a4648972a4547c20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7065e976c29fca2908883020acdc26cef2bbbc83fe1cb8d3ff9ac4a28b244426",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2016-06-12T23:50:19Z",
    "title_canon_sha256": "69be8a1dbc2d87091cec4971e5f4839ecf6c8d93ebf79d66ccf1bb063471bd62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.03783",
    "kind": "arxiv",
    "version": 1
  }
}