Pith Number

pith:A5W2IWJW

pith:2015:A5W2IWJWI26UEVKYD3OMZZNEJ5

not attested not anchored not stored refs pending

Improving package recommendations through query relaxation

Alexandra Meliou, Azza Abouzied, Matteo Brucato

arxiv:1507.00819 v1 · 2015-07-03 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A5W2IWJWI26UEVKYD3OMZZNEJ5}

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	2026-05-18T01:37:22.587673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

076da4593646bd4255581edccce5a44f6201df27e1914181e8cf255910b18642

Aliases

arxiv: 1507.00819 · arxiv_version: 1507.00819v1 · doi: 10.48550/arxiv.1507.00819 · pith_short_12: A5W2IWJWI26U · pith_short_16: A5W2IWJWI26UEVKY · pith_short_8: A5W2IWJW

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/A5W2IWJWI26UEVKYD3OMZZNEJ5 \
  | 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: 076da4593646bd4255581edccce5a44f6201df27e1914181e8cf255910b18642

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29fee6ad9f2fedf227516e7ea5209d51f653c94eaaefc93788c2c1cd098e743a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2015-07-03T05:33:04Z",
    "title_canon_sha256": "5ae0d9499277b3eeb806f704722f8f6dfe93cbf8fe553ddc78c53ce8169bdfc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00819",
    "kind": "arxiv",
    "version": 1
  }
}