Pith Number

pith:FRZLZY7B

pith:2009:FRZLZY7BZ7K5J47VGKN7BAAM4I

not attested not anchored not stored refs pending

HD 100453: A Link Between Gas-Rich Protoplanetary Disks and Gas-Poor Debris Disks

A. Carmona, B. E. Woodgate, C. A. Grady, G. Meeus, G. M. Williger, G. S. Mathews, J. P. Williams, J. P. Wisniewski, K. A. Collins, K. Hamaguchi, M. E. van den Ancker, M. Sitko, R. Petre, R. van Boekel, S. Brittain, Th. Henning, W. J. Carpenter, X. P. Chen

arxiv:0903.0440 v2 · 2009-03-03 · 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{FRZLZY7BZ7K5J47VGKN7BAAM4I}

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	2026-05-18T04:29:16.203031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c72bce3e1cfd5d4f3f5329bf0800ce2203ea3dfa7d823f52c6b70c099267f54

Aliases

arxiv: 0903.0440 · arxiv_version: 0903.0440v2 · doi: 10.48550/arxiv.0903.0440 · pith_short_12: FRZLZY7BZ7K5 · pith_short_16: FRZLZY7BZ7K5J47V · pith_short_8: FRZLZY7B

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/FRZLZY7BZ7K5J47VGKN7BAAM4I \
  | 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: 2c72bce3e1cfd5d4f3f5329bf0800ce2203ea3dfa7d823f52c6b70c099267f54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8959dc94d02cb9908f23d5e7351c5e05025d2bba88acb3d764a53b5aacdbc879",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-03-03T04:41:35Z",
    "title_canon_sha256": "2b626d84dbd5c8edd4da5c481acfbb4f17701ecd6bd7403db7b9711869a95868"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0440",
    "kind": "arxiv",
    "version": 2
  }
}