Pith Number

pith:V2K3T2HJ

pith:2017:V2K3T2HJS6CGPJT5DV4FJMV4YL

not attested not anchored not stored refs pending

Query expansion techniques for information retrieval: A survey

Akshay Deepak, Hiteshwar Kumar Azad

arxiv:1708.00247 v2 · 2017-08-01 · 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{V2K3T2HJS6CGPJT5DV4FJMV4YL}

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	2026-05-17T23:42:53.976670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae95b9e8e9978467a67d1d7854b2bcc2e001a1063220c407e7e3ac9226258deb

Aliases

arxiv: 1708.00247 · arxiv_version: 1708.00247v2 · doi: 10.48550/arxiv.1708.00247 · pith_short_12: V2K3T2HJS6CG · pith_short_16: V2K3T2HJS6CGPJT5 · pith_short_8: V2K3T2HJ

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/V2K3T2HJS6CGPJT5DV4FJMV4YL \
  | 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: ae95b9e8e9978467a67d1d7854b2bcc2e001a1063220c407e7e3ac9226258deb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc4d3895889e4a0b72b2d1f188b4ee749a980805493b8f238858cf3fb5c265ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2017-08-01T11:04:53Z",
    "title_canon_sha256": "5d5acf60717d6dc9e0ff0e6d2033a410950a3933749b385d79e65a6880e38841"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00247",
    "kind": "arxiv",
    "version": 2
  }
}