Pith Number

pith:25R3UQAP

pith:2018:25R3UQAPWL65MBBFX5HKQIEUFV

not attested not anchored not stored refs pending

Approximate Nearest Neighbors in Limited Space

Piotr Indyk, Tal Wagner

arxiv:1807.00112 v1 · 2018-06-30 · cs.DS · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{25R3UQAPWL65MBBFX5HKQIEUFV}

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	2026-05-18T00:11:56.063870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d763ba400fb2fdd60425bf4ea820942d42904c84e7c0a2fac09ab0f6ce130543

Aliases

arxiv: 1807.00112 · arxiv_version: 1807.00112v1 · doi: 10.48550/arxiv.1807.00112 · pith_short_12: 25R3UQAPWL65 · pith_short_16: 25R3UQAPWL65MBBF · pith_short_8: 25R3UQAP

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/25R3UQAPWL65MBBFX5HKQIEUFV \
  | 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: d763ba400fb2fdd60425bf4ea820942d42904c84e7c0a2fac09ab0f6ce130543

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0cc0c08c75fb2ae303545c07cf857df07190d51a3aeab4948a86228a824fded",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-06-30T02:33:15Z",
    "title_canon_sha256": "9d0a1e998834cdb5d20e84ec2fbd189044528dac8761074a127498f673990249"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.00112",
    "kind": "arxiv",
    "version": 1
  }
}