Pith Number

pith:YGJI2WWG

pith:2009:YGJI2WWG2X4EWZ553UQWWUP7BO

not attested not anchored not stored refs pending

Tracing the potential planet-forming regions around seven pre-main-sequence stars

A. A. Schegerer, A. Richichi, C. A. Hummel, S. P. Quanz, S. Wolf

arxiv:0905.0565 v1 · 2009-05-05 · 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{YGJI2WWG2X4EWZ553UQWWUP7BO}

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	2026-05-18T02:13:47.606431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1928d5ac6d5f84b67bddd216b51ff0bba770273d66eae43fc193841fac1968d

Aliases

arxiv: 0905.0565 · arxiv_version: 0905.0565v1 · doi: 10.48550/arxiv.0905.0565 · pith_short_12: YGJI2WWG2X4E · pith_short_16: YGJI2WWG2X4EWZ55 · pith_short_8: YGJI2WWG

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/YGJI2WWG2X4EWZ553UQWWUP7BO \
  | 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: c1928d5ac6d5f84b67bddd216b51ff0bba770273d66eae43fc193841fac1968d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d466e0a1e40bfd4838bcc19c1a3388fb21831ba5566cc2fd5f69c69eb4a8d5a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-05-05T09:38:42Z",
    "title_canon_sha256": "7d643bea19f98c93227f3ff9160b12fe9bb7886376f9a6dbaa0c779070735062"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0565",
    "kind": "arxiv",
    "version": 1
  }
}