Pith Number

pith:QRFFJDM6

pith:2026:QRFFJDM6P6RGDWY2LXCG6E5TH3

not attested not anchored not stored refs pending

Scalable and Distributed Silhouette Approximation

Andrea Pietracaprina, Fabio Vandin, Federico Altieri, Geppino Pucci, Ilie Sarpe

arxiv:2607.01993 v1 · 2026-07-02 · cs.DS · cs.DC · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QRFFJDM6P6RGDWY2LXCG6E5TH3}

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	2026-07-03T01:17:36.499329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

844a548d9e7fa261db1a5dc46f13b33ec76663ad46724786d4543bd17d4a3457

Aliases

arxiv: 2607.01993 · arxiv_version: 2607.01993v1 · doi: 10.48550/arxiv.2607.01993 · pith_short_12: QRFFJDM6P6RG · pith_short_16: QRFFJDM6P6RGDWY2 · pith_short_8: QRFFJDM6

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/QRFFJDM6P6RGDWY2LXCG6E5TH3 \
  | 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: 844a548d9e7fa261db1a5dc46f13b33ec76663ad46724786d4543bd17d4a3457

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5b545ab5f9bfa27d2a5c817c8863232f3b5f4e79fa40d9e354339d6bcb3450f",
    "cross_cats_sorted": [
      "cs.DC",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2026-07-02T10:27:49Z",
    "title_canon_sha256": "4c3832c0d44df238ea9b50220a96184d8940ddea11397c55b8b7f192e47ae43c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01993",
    "kind": "arxiv",
    "version": 1
  }
}