Pith Number

pith:YO2QZJB6

pith:2009:YO2QZJB6Y7XR6D7IANRFW3TK35

not attested not anchored not stored refs pending

Evidence for Dynamical Changes in a Transitional Protoplanetary Disk with Mid-infrared Variability

August Muench, Elise Furlan, George H. Rieke, James Muzerolle, Kevin Flaherty, Lori Allen, Nuria Calvet, Paola D'Alessio, Paul S. Smith, S. Thomas Megeath, William H. Sherry, Zoltan Balog

arxiv:0909.5201 v1 · 2009-09-29 · 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{YO2QZJB6Y7XR6D7IANRFW3TK35}

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	2026-05-18T02:11:36.704251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3b50ca43ec7ef1f0fe803625b6e6adf77930ba53c9e8c4050a70d33a9a74ac3

Aliases

arxiv: 0909.5201 · arxiv_version: 0909.5201v1 · doi: 10.48550/arxiv.0909.5201 · pith_short_12: YO2QZJB6Y7XR · pith_short_16: YO2QZJB6Y7XR6D7I · pith_short_8: YO2QZJB6

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/YO2QZJB6Y7XR6D7IANRFW3TK35 \
  | 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: c3b50ca43ec7ef1f0fe803625b6e6adf77930ba53c9e8c4050a70d33a9a74ac3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a2af9ee20853df517f803ef055ec23bc6b76ce5d135d252f2e4424c608ad36c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-29T14:48:43Z",
    "title_canon_sha256": "09b27d5aef186e30dc368a7532c5afe73eca7eed955b8f344abe5dc3dec5e7f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.5201",
    "kind": "arxiv",
    "version": 1
  }
}