Pith Number

pith:3FWGFGCB

pith:2016:3FWGFGCBQLPTH4WVBKBKNRZG4M

not attested not anchored not stored refs pending

Ringed Substructure and a Gap at 1 AU in the Nearest Protoplanetary Disk

A. Meredith Hughes, Andrea Isella, David J. Wilner, John M. Carpenter, Karin I. Oberg, Laura M. Perez, Luca Ricci, Sean M. Andrews, Tilman Birnstiel, Xue-Ning Bai, Zhaohuan Zhu

arxiv:1603.09352 v1 · 2016-03-30 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3FWGFGCBQLPTH4WVBKBKNRZG4M}

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	2026-05-18T01:17:16.789528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d96c62984182df33f2d50a82a6c726e32e87a7d25db8bdad3e8bb4d20a855c6a

Aliases

arxiv: 1603.09352 · arxiv_version: 1603.09352v1 · doi: 10.48550/arxiv.1603.09352 · pith_short_12: 3FWGFGCBQLPT · pith_short_16: 3FWGFGCBQLPTH4WV · pith_short_8: 3FWGFGCB

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/3FWGFGCBQLPTH4WVBKBKNRZG4M \
  | 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: d96c62984182df33f2d50a82a6c726e32e87a7d25db8bdad3e8bb4d20a855c6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5451ea7a5cc61e24a309b9e6787b5965779cbc5f7cf8d93469695d3a0ddc5059",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-03-30T20:00:41Z",
    "title_canon_sha256": "feda1eb5e1ca54b66e937c9018e3c2cbeca36ecf6eef2e24fed95c6331748d17"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.09352",
    "kind": "arxiv",
    "version": 1
  }
}