Pith Number

pith:Q2FZSAKU

pith:2019:Q2FZSAKU47XNSHTIHPS57SCMTE

not attested not anchored not stored refs pending

Planet-disk interaction in disks with cooling: basic theory

2) ((1) IAS, (2) DAMTP, Cambridge), Roman R. Rafikov (1, Ryan Miranda (1)

arxiv:1911.01428 v2 · 2019-11-04 · 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{Q2FZSAKU47XNSHTIHPS57SCMTE}

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	2026-07-05T00:53:08.814799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

868b990154e7eed91e683be5dfc84c99370e47f13e486b6bb2c20c42f1c6d8b6

Aliases

arxiv: 1911.01428 · arxiv_version: 1911.01428v2 · doi: 10.48550/arxiv.1911.01428 · pith_short_12: Q2FZSAKU47XN · pith_short_16: Q2FZSAKU47XNSHTI · pith_short_8: Q2FZSAKU

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/Q2FZSAKU47XNSHTIHPS57SCMTE \
  | 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: 868b990154e7eed91e683be5dfc84c99370e47f13e486b6bb2c20c42f1c6d8b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8d0630832f22c2ef508454d2a478a39a8d3b11316b0f4035a1cbb3fdacbba26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-11-04T19:00:00Z",
    "title_canon_sha256": "a936ccbf3edeffbd9e6686630710f60b2207025d4a759df493fb2889c606b4cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.01428",
    "kind": "arxiv",
    "version": 2
  }
}