Pith Number

pith:V635DZ7V

pith:2015:V635DZ7VRMZ2M2MAMSIJ3YWI4C

not attested not anchored not stored refs pending

Dust and Gas in the disc of HL Tauri: Surface density, dust settling, and dust-to-gas ratio

Antonio Hales, Christophe Pinte, Francois Menard, Itziar de Gregorio-Monsalvo, Paulo Cortes, Tracey Hill, William R.F. Dent

arxiv:1508.00584 v2 · 2015-08-03 · astro-ph.SR · 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{V635DZ7VRMZ2M2MAMSIJ3YWI4C}

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	2026-05-18T01:22:48.234023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afb7d1e7f58b33a6698064909de2c8e0a1768ddcd124c6b507396e9d2fd7cc76

Aliases

arxiv: 1508.00584 · arxiv_version: 1508.00584v2 · doi: 10.48550/arxiv.1508.00584 · pith_short_12: V635DZ7VRMZ2 · pith_short_16: V635DZ7VRMZ2M2MA · pith_short_8: V635DZ7V

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/V635DZ7VRMZ2M2MAMSIJ3YWI4C \
  | 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: afb7d1e7f58b33a6698064909de2c8e0a1768ddcd124c6b507396e9d2fd7cc76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df2bb950a2e077c0d9b733cf35434c75bc024dd323a9387090ed59a3375ba812",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-08-03T20:14:58Z",
    "title_canon_sha256": "7872cb66e4525d87fa9f704b972695210cf3dabd63dd57f2526ec021b3c2942b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.00584",
    "kind": "arxiv",
    "version": 2
  }
}