Pith Number

pith:IWP7LTHM

pith:2016:IWP7LTHMSVINXXPMCARAGWA2QF

not attested not anchored not stored refs pending

Spiral Density Waves in a Young Protoplanetary Disk

Adam T. Deller, Andrea Isella, Anneila I. Sargent, Claire J. Chandler, Cornelis P. Dullemond, David J. Wilner, Hendrik Linz, Jane S. Greaves, John M. Carpenter, Joseph Lazio, Karl M. Menten, Laura M. P\'erez, Lee G. Mundy, Leonardo Testi, Luca Ricci, Marco Tazzari, Nuria Calvet, Robert J. Harris, Sean M. Andrews, Shaye Storm, Stuartt A. Corder, Thomas Henning, Woojin Kwon

arxiv:1610.05139 v1 · 2016-10-17 · astro-ph.GA · astro-ph.EP · 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{IWP7LTHMSVINXXPMCARAGWA2QF}

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	2026-05-18T01:02:06.107195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

459ff5ccec9550dbddec102203581a817536aa3747097739cca8c6b1fedb6bbd

Aliases

arxiv: 1610.05139 · arxiv_version: 1610.05139v1 · doi: 10.48550/arxiv.1610.05139 · pith_short_12: IWP7LTHMSVIN · pith_short_16: IWP7LTHMSVINXXPM · pith_short_8: IWP7LTHM

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/IWP7LTHMSVINXXPMCARAGWA2QF \
  | 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: 459ff5ccec9550dbddec102203581a817536aa3747097739cca8c6b1fedb6bbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc9df84b084564ab7e130f3f1f78f52e69d492dfca868b1abb7f79b6e48aba87",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-10-17T14:36:25Z",
    "title_canon_sha256": "e783476b1d65d8540ba716d3b9c64b94d96d3fd36959a352acdb06900a0be627"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05139",
    "kind": "arxiv",
    "version": 1
  }
}