Pith Number

pith:Q45JJAU5

pith:2013:Q45JJAU5I7XCQJD66ICGNZ6FXJ

not attested not anchored not stored refs pending

On the Outer Edges of Protoplanetary Dust Disks

Sean M. Andrews, Tilman Birnstiel

arxiv:1311.5222 v1 · 2013-11-20 · 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{Q45JJAU5I7XCQJD66ICGNZ6FXJ}

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.

Cited by

1 paper in Pith

Substructures in Planet-Forming Disks with the SKAO

Receipt and verification

First computed	2026-05-18T01:46:11.945887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

873a94829d47ee28247ef20466e7c5ba47bb9fa2b6df7bb800e7e872c3096058

Aliases

arxiv: 1311.5222 · arxiv_version: 1311.5222v1 · doi: 10.48550/arxiv.1311.5222 · pith_short_12: Q45JJAU5I7XC · pith_short_16: Q45JJAU5I7XCQJD6 · pith_short_8: Q45JJAU5

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/Q45JJAU5I7XCQJD66ICGNZ6FXJ \
  | 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: 873a94829d47ee28247ef20466e7c5ba47bb9fa2b6df7bb800e7e872c3096058

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e8dbb54f74546b81b379ca604c487011e230a64f5e269a8d0d272b0d1b5d614",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-11-20T21:00:00Z",
    "title_canon_sha256": "65cf52492948cd4c8dbe1c838448a29f35238bd658e090a8edf5130aefe92eed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.5222",
    "kind": "arxiv",
    "version": 1
  }
}