Pith Number

pith:OYJUY3AP

pith:2012:OYJUY3APHMASLDSVH7GAQZADDC

not attested not anchored not stored refs pending

Roche volume filling of star clusters in the Milky Way

A. Ernst, A. Just

arxiv:1212.2021 v1 · 2012-12-10 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OYJUY3APHMASLDSVH7GAQZADDC}

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	2026-05-18T01:52:46.008302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76134c6c0f3b01258e553fcc08640318bc6ae249272edc1056aac1447a76bd59

Aliases

arxiv: 1212.2021 · arxiv_version: 1212.2021v1 · doi: 10.48550/arxiv.1212.2021 · pith_short_12: OYJUY3APHMAS · pith_short_16: OYJUY3APHMASLDSV · pith_short_8: OYJUY3AP

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/OYJUY3APHMASLDSVH7GAQZADDC \
  | 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: 76134c6c0f3b01258e553fcc08640318bc6ae249272edc1056aac1447a76bd59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e70f69b178af3a2bf6dd42b428e7f26ed20ad0b841dd935b828d424069b91b63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-12-10T10:10:13Z",
    "title_canon_sha256": "69a7cf6dd8fabfd27f94859341d3459e2076b7a22c2415f98c1c75fc8343ec64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2021",
    "kind": "arxiv",
    "version": 1
  }
}