Pith Number

pith:P2UCDYZY

pith:2019:P2UCDYZY5P2LODUTRVSTQQPHM2

not attested not anchored not stored refs pending

Lower Bounds for Oblivious Near-Neighbor Search

Kasper Green Larsen, Kevin Yeo, Omri Weinstein, Tal Malkin

arxiv:1904.04828 v1 · 2019-04-09 · cs.DS · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P2UCDYZY5P2LODUTRVSTQQPHM2}

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	2026-05-17T23:48:57.861357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ea821e338ebf4b70e938d653841e766a3121d77995fa125700a645a375deea1

Aliases

arxiv: 1904.04828 · arxiv_version: 1904.04828v1 · doi: 10.48550/arxiv.1904.04828 · pith_short_12: P2UCDYZY5P2L · pith_short_16: P2UCDYZY5P2LODUT · pith_short_8: P2UCDYZY

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/P2UCDYZY5P2LODUTRVSTQQPHM2 \
  | 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: 7ea821e338ebf4b70e938d653841e766a3121d77995fa125700a645a375deea1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45bfacc72936ea3fc3053bf24c7451508bdda9b873fbc8f49decc0c6df996f40",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-04-09T14:08:53Z",
    "title_canon_sha256": "eb7aaec7a748f5d9e7d197d785c5c53e7eb6ee661a945c54552fafc3e720ea42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04828",
    "kind": "arxiv",
    "version": 1
  }
}