Pith Number

pith:QGRYFINB

pith:2020:QGRYFINBBF6KSRWX7I3QSEID7O

not attested not anchored not stored refs pending

Multi-wavelength continuum sizes of protoplanetary discs: scaling relations and implications for grain growth and radial drift

Antonella Natta, Carlo F. Manara, Cathie J. Clarke, Giovanni Rosotti, Jonathan P. Williams, Leonardo Testi, Marco Tazzari, Stefano Facchini

arxiv:2010.02249 v3 · 2020-10-05 · astro-ph.EP · 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{QGRYFINBBF6KSRWX7I3QSEID7O}

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	2026-07-05T02:55:33.450867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81a382a1a1097ca946d7fa37091103fbaf5854c73bcf15843bc7bc103eb1a98d

Aliases

arxiv: 2010.02249 · arxiv_version: 2010.02249v3 · doi: 10.48550/arxiv.2010.02249 · pith_short_12: QGRYFINBBF6K · pith_short_16: QGRYFINBBF6KSRWX · pith_short_8: QGRYFINB

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/QGRYFINBBF6KSRWX7I3QSEID7O \
  | 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: 81a382a1a1097ca946d7fa37091103fbaf5854c73bcf15843bc7bc103eb1a98d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e31b3e4165962b1cd580ad2c12fcbbc0477a5d049b3be5755e445f73b71f1ae",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-10-05T18:03:29Z",
    "title_canon_sha256": "a8a6a3ad4f3baf2b95373c060c10b26f242f85a9fb0f1f4d2327f1a5be38ee71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.02249",
    "kind": "arxiv",
    "version": 3
  }
}