Pith Number

pith:4H5S5PHU

pith:2014:4H5S5PHU6SOTGQUVXWCW2TSLHD

not attested not anchored not stored refs pending

Approximate k-flat Nearest Neighbor Search

Huy L. Nguyen, Paul Seiferth, Wolfgang Mulzer, Yannik Stein

arxiv:1411.1519 v1 · 2014-11-06 · cs.CG · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4H5S5PHU6SOTGQUVXWCW2TSLHD}

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	2026-05-18T02:38:27.709221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1fb2ebcf4f49d334295bd856d4e4b38f43e3ac32351f6c7a47fa1845f979b3b

Aliases

arxiv: 1411.1519 · arxiv_version: 1411.1519v1 · doi: 10.48550/arxiv.1411.1519 · pith_short_12: 4H5S5PHU6SOT · pith_short_16: 4H5S5PHU6SOTGQUV · pith_short_8: 4H5S5PHU

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/4H5S5PHU6SOTGQUVXWCW2TSLHD \
  | 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: e1fb2ebcf4f49d334295bd856d4e4b38f43e3ac32351f6c7a47fa1845f979b3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f297b6dcc8b3dd66322400a5bbb3bbfadac1a02cc03061f230f9ef3faea5d08",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2014-11-06T08:13:15Z",
    "title_canon_sha256": "a8d2c8d8f0e31f321948b1fcc72a30cd00fcbcdad8197278cbc60b3179cbb8a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.1519",
    "kind": "arxiv",
    "version": 1
  }
}