Pith Number

pith:KIRQ3WB4

pith:2019:KIRQ3WB4OVMBU25YWXKMLRQQUO

not attested not anchored not stored refs pending

New Constraints From Dust Lines On The Surface Densities Of Protoplanetary Disks

Diana Powell, Hilke E. Schlichting, Laura M. P\'erez, Mickey Rosenthal, Ruth Murray-Clay

arxiv:1905.03252 v1 · 2019-05-08 · 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{KIRQ3WB4OVMBU25YWXKMLRQQUO}

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	2026-05-17T23:42:19.246242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52230dd83c75581a6bb8b5d4c5c610a3938bfe5e1ce36a4e06557984c0e93e4a

Aliases

arxiv: 1905.03252 · arxiv_version: 1905.03252v1 · doi: 10.48550/arxiv.1905.03252 · pith_short_12: KIRQ3WB4OVMB · pith_short_16: KIRQ3WB4OVMBU25Y · pith_short_8: KIRQ3WB4

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/KIRQ3WB4OVMBU25YWXKMLRQQUO \
  | 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: 52230dd83c75581a6bb8b5d4c5c610a3938bfe5e1ce36a4e06557984c0e93e4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75b9303e4b3bf672a9a3415f049de0670aa89cc98ff4e41de536356149e2a3d0",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-05-08T18:00:00Z",
    "title_canon_sha256": "2f8b2ce411b283871cb57410ca8bbe02b4de242200d596b1285c4159d60d2e8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03252",
    "kind": "arxiv",
    "version": 1
  }
}