Pith Number

pith:KZ5PO44L

pith:2009:KZ5PO44LSO5FKQUJ4KTVOGVMHD

not attested not anchored not stored refs pending

Anachronistic Grain Growth and Global Structure of the Protoplanetary Disk Associated with the Mature Classical T Tauri Star, PDS 66

Dean C. Hines, Glenn Schneider, Ilaria Pascucci, John M. Carpenter, Michael R. Meyer, Stephanie R. Cortes, Tony Wong

arxiv:0903.3801 v1 · 2009-03-23 · 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{KZ5PO44LSO5FKQUJ4KTVOGVMHD}

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	2026-05-18T02:14:26.680802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

567af7738b93ba554289e2a7571aac38cf33c717bf7004fff8d060432c241b98

Aliases

arxiv: 0903.3801 · arxiv_version: 0903.3801v1 · doi: 10.48550/arxiv.0903.3801 · pith_short_12: KZ5PO44LSO5F · pith_short_16: KZ5PO44LSO5FKQUJ · pith_short_8: KZ5PO44L

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/KZ5PO44LSO5FKQUJ4KTVOGVMHD \
  | 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: 567af7738b93ba554289e2a7571aac38cf33c717bf7004fff8d060432c241b98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bbc60385d1f0caee3d9639f22d3f18183c99f525f27c7aa1df6c3e58768b0f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-03-23T07:31:25Z",
    "title_canon_sha256": "3501c736ca873323ead324d2637a54353fd1f8c88b18d27f28b80ee397366e52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3801",
    "kind": "arxiv",
    "version": 1
  }
}