Pith Number

pith:DRNZ3RH2

pith:2019:DRNZ3RH2WHI33ZPUL5YZZF76JV

not attested not anchored not stored refs pending

PUFFINN: Parameterless and Universally Fast FInding of Nearest Neighbors

Martin Aum\"uller, Michael Vesterli, Rasmus Pagh, Tobias Christiani

arxiv:1906.12211 v1 · 2019-06-28 · 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{DRNZ3RH2WHI33ZPUL5YZZF76JV}

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	2026-05-17T23:41:58.991860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c5b9dc4fab1d1bde5f45f719c97fe4d738aff24b5291536bdf8e57569cc96d8

Aliases

arxiv: 1906.12211 · arxiv_version: 1906.12211v1 · doi: 10.48550/arxiv.1906.12211 · pith_short_12: DRNZ3RH2WHI3 · pith_short_16: DRNZ3RH2WHI33ZPU · pith_short_8: DRNZ3RH2

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/DRNZ3RH2WHI33ZPUL5YZZF76JV \
  | 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: 1c5b9dc4fab1d1bde5f45f719c97fe4d738aff24b5291536bdf8e57569cc96d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6643a7cfbbdb5ed1066c38a86471d5f2c7567aaefefca2852561d90e651f4f9c",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-06-28T13:33:17Z",
    "title_canon_sha256": "e15edf8e7cad0866b3f8a8399d88ec7646372f4ae41d87b7761f860c1b3cee63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.12211",
    "kind": "arxiv",
    "version": 1
  }
}