Pith Number

pith:2YYORVGO

pith:2009:2YYORVGO7KG4GJUJVVEU3LCGXK

not attested not anchored not stored refs pending

Disk-Braking in Young Stars: Probing Rotation in Chamaeleon I and Taurus-Auriga

(2) Stockholm Observatory, (3) University of St. Andrews), Alexander Scholz (3), Alexis Brandeker (2), Duy Cuong Nguyen (1), Ivana Damjanov (1) ((1) University of Toronto, Marten H. van Kerkwijk (1), Ray Jayawardhana (1)

arxiv:0902.0001 v1 · 2009-02-02 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2YYORVGO7KG4GJUJVVEU3LCGXK}

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	2026-05-18T04:29:16.960056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d630e8d4cefa8dc32689ad494dac46ba9b3ea9216930ed7e484458dd436fb3a7

Aliases

arxiv: 0902.0001 · arxiv_version: 0902.0001v1 · doi: 10.48550/arxiv.0902.0001 · pith_short_12: 2YYORVGO7KG4 · pith_short_16: 2YYORVGO7KG4GJUJ · pith_short_8: 2YYORVGO

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/2YYORVGO7KG4GJUJVVEU3LCGXK \
  | 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: d630e8d4cefa8dc32689ad494dac46ba9b3ea9216930ed7e484458dd436fb3a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86d4db831410a955f433d6eff9f66b19282db4fb13b09e59c54db04ce5fcecb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-02-02T10:26:27Z",
    "title_canon_sha256": "ca6e05aa6a5ebd9d5e631ca21bedf924b2328034f838ef5d5b3e40cc8fb7d1d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0001",
    "kind": "arxiv",
    "version": 1
  }
}