Pith Number

pith:O4UYULVE

pith:2022:O4UYULVE4QXKU5PETFVYUCT4AW

not attested not anchored not stored refs pending

Virgo: Scalable Unsupervised Classification of Cosmological Shock Waves

Klaus Dolag, Ludwig B\"oss, Max Lamparth, Ulrich Steinwandel

arxiv:2208.06859 v3 · 2022-08-14 · astro-ph.IM · astro-ph.CO · cs.LG · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O4UYULVE4QXKU5PETFVYUCT4AW}

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	2026-07-05T05:16:22.233731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77298a2ea4e42eaa75e4996b8a0a7c05ab63636a9d4ef5adf873cc472aaa8fcf

Aliases

arxiv: 2208.06859 · arxiv_version: 2208.06859v3 · doi: 10.48550/arxiv.2208.06859 · pith_short_12: O4UYULVE4QXK · pith_short_16: O4UYULVE4QXKU5PE · pith_short_8: O4UYULVE

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/O4UYULVE4QXKU5PETFVYUCT4AW \
  | 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: 77298a2ea4e42eaa75e4996b8a0a7c05ab63636a9d4ef5adf873cc472aaa8fcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa3cd0bc7d07b60c536dc09d417686d52305483f87567acc423008dc65452682",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "cs.LG",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-08-14T14:28:17Z",
    "title_canon_sha256": "380d71d5f5a580bdd488d4edf89f2f7c54ecfed62a44bae746c4dc44ae6a4a71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.06859",
    "kind": "arxiv",
    "version": 3
  }
}