Pith Number

pith:4HSKTTEX

pith:2015:4HSKTTEX5IT5VAMNJ2FFITUZ33

not attested not anchored not stored refs pending

Domain-specific queries and Web search personalization: some investigations

Angelo Spognardi (IIT-CNR, Francesco Tiezzi (University of Camerino, Italy), Marinella Petrocchi (IIT-CNR, Pisa, Rocco De Nicola (IMT Lucca, Van Tien Hoang (IMT Lucca

arxiv:1508.03902 v1 · 2015-08-17 · 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{4HSKTTEX5IT5VAMNJ2FFITUZ33}

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	2026-05-18T01:35:14.944437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1e4a9cc97ea27da818d4e8a544e99def37a8d81ee56bd0d703ec2e8f2108949

Aliases

arxiv: 1508.03902 · arxiv_version: 1508.03902v1 · doi: 10.48550/arxiv.1508.03902 · pith_short_12: 4HSKTTEX5IT5 · pith_short_16: 4HSKTTEX5IT5VAMN · pith_short_8: 4HSKTTEX

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/4HSKTTEX5IT5VAMNJ2FFITUZ33 \
  | 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: e1e4a9cc97ea27da818d4e8a544e99def37a8d81ee56bd0d703ec2e8f2108949

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5f78266cdc90a1c54e18eb96f581aa5a6d67b0a3d0be1053c76db130da51242",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2015-08-17T01:51:11Z",
    "title_canon_sha256": "a70bc706fd90cc64d567708b14469351273888d0019efd21e3ac4a20c4ebc4cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03902",
    "kind": "arxiv",
    "version": 1
  }
}