Pith Number

pith:X7F5VC46

pith:2018:X7F5VC46WJ6XKSZYZIAHUO3OXP

not attested not anchored not stored refs pending

Science with an ngVLA: Dust growth and dust trapping in protoplanetary disks

2), (2) University of Victoria, (3) Ludwig-Maximilians-Universitat Munchen, (4) Rice University), Andrea Isella (4) ((1) NRC Herzberg Astronomy, Astrophysics, Brenda Matthews (1, Nienke van der Marel (1), Ruobing Dong (2), Tilman Birnstiel (3)

arxiv:1809.06403 v2 · 2018-09-17 · 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{X7F5VC46WJ6XKSZYZIAHUO3OXP}

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	2026-05-18T00:02:53.050235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfcbda8b9eb27d754b38ca007a3b6ebbdafd1070b452ab3e8b440c9259b0ecfd

Aliases

arxiv: 1809.06403 · arxiv_version: 1809.06403v2 · doi: 10.48550/arxiv.1809.06403 · pith_short_12: X7F5VC46WJ6X · pith_short_16: X7F5VC46WJ6XKSZY · pith_short_8: X7F5VC46

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/X7F5VC46WJ6XKSZYZIAHUO3OXP \
  | 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: bfcbda8b9eb27d754b38ca007a3b6ebbdafd1070b452ab3e8b440c9259b0ecfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bac82b43735632111e1ba25b1886b00ff2af5c6f8f2f42b860db7cabb4f6823b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-09-17T18:47:43Z",
    "title_canon_sha256": "1013e710cb5cb55dda7e5bf2c87dd40d19c0558067d5232cb39fa65bf2483f1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.06403",
    "kind": "arxiv",
    "version": 2
  }
}