Pith Number

pith:N42B3JCW

pith:2020:N42B3JCWKNOAK5DXFD3EJPMKNW

not attested not anchored not stored refs pending

A multi-frequency ALMA characterization of substructures in the GM Aur protoplanetary disk

Andrea Isella, Chunhua Qi, Cornelis P. Dullemond, David J. Wilner, Enrique Macias, Jane Huang, John M. Carpenter, Karin I. Oberg, Laura M. Perez, Melissa K. McClure, Richard Teague, Sean M. Andrews, Shangjia Zhang, Tilman Birnstiel, Zhaohuan Zhu

arxiv:2001.11040 v1 · 2020-01-29 · astro-ph.EP · astro-ph.GA · 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{N42B3JCWKNOAK5DXFD3EJPMKNW}

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	2026-07-05T00:46:58.840683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f341da456535c05747728f644bd8a6dbbe6307171a2826b539185b445cd0f26

Aliases

arxiv: 2001.11040 · arxiv_version: 2001.11040v1 · doi: 10.48550/arxiv.2001.11040 · pith_short_12: N42B3JCWKNOA · pith_short_16: N42B3JCWKNOAK5DX · pith_short_8: N42B3JCW

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/N42B3JCWKNOAK5DXFD3EJPMKNW \
  | 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: 6f341da456535c05747728f644bd8a6dbbe6307171a2826b539185b445cd0f26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e62d6eb54c29dc1caa2beee65405a2e7fefb0653b17b47da6015419304f9f5f",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-01-29T19:00:11Z",
    "title_canon_sha256": "1a971b6bcce3ab1a903c75d2c22ae2e1fe74431268065fb95941d823029ecc0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.11040",
    "kind": "arxiv",
    "version": 1
  }
}