Pith Number

pith:7WTF3F63

pith:2019:7WTF3F63MDV2JPXXUOV4DYW72A

not attested not anchored not stored refs pending

Finding Nearest Neighbors in graphs locally

Abhinav Mishra

arxiv:1902.05638 v1 · 2019-02-14 · cs.DS · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7WTF3F63MDV2JPXXUOV4DYW72A}

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	2026-05-17T23:53:56.695286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fda65d97db60eba4bef7a3abc1e2dfd037716d009a3c228d96440af37ccb9092

Aliases

arxiv: 1902.05638 · arxiv_version: 1902.05638v1 · doi: 10.48550/arxiv.1902.05638 · pith_short_12: 7WTF3F63MDV2 · pith_short_16: 7WTF3F63MDV2JPXX · pith_short_8: 7WTF3F63

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/7WTF3F63MDV2JPXXUOV4DYW72A \
  | 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: fda65d97db60eba4bef7a3abc1e2dfd037716d009a3c228d96440af37ccb9092

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91f4813c85e606d3f4f465b69008a95bd348865114f32c431cc83f6c389f9fa1",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-02-14T22:51:48Z",
    "title_canon_sha256": "e8d030b8755ec35b9bbd3d23bbca2fd6caa78b58af223a1b556c80e35b846c0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05638",
    "kind": "arxiv",
    "version": 1
  }
}