Pith Number

pith:7AFNRO4U

pith:2018:7AFNRO4U2QAHKOVVDRMOU5IZ3K

not attested not anchored not stored refs pending

Sketching and Clustering Metric Measure Spaces

Anastasios Sidiropoulos, Facundo M\'emoli, Kritika Singhal

arxiv:1801.00551 v2 · 2018-01-02 · cs.CG · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7AFNRO4U2QAHKOVVDRMOU5IZ3K}

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	2026-05-18T00:02:53.327658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f80ad8bb94d400753ab51c58ea7519da80640f46a60bd5ddffcc04d34c7c9b41

Aliases

arxiv: 1801.00551 · arxiv_version: 1801.00551v2 · doi: 10.48550/arxiv.1801.00551 · pith_short_12: 7AFNRO4U2QAH · pith_short_16: 7AFNRO4U2QAHKOVV · pith_short_8: 7AFNRO4U

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/7AFNRO4U2QAHKOVVDRMOU5IZ3K \
  | 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: f80ad8bb94d400753ab51c58ea7519da80640f46a60bd5ddffcc04d34c7c9b41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a734be12e9bf5334cb5cba9ece4c396eeae4d1f1f7fb089034d1847e17d7738",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-01-02T05:15:26Z",
    "title_canon_sha256": "3e0cd0da562e2a0bfbca77086f5b445ab48187be05d9ea8ad8acbe72ff348608"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00551",
    "kind": "arxiv",
    "version": 2
  }
}