Pith Number

pith:FK23R4IR

pith:2008:FK23R4IRUSDQCVRHNEXKF465WY

not attested not anchored not stored refs pending

Three-dimensional simulations of multiple protoplanets embedded in a protostellar disc

Paul Cresswell, Richard P. Nelson

arxiv:0811.4322 v1 · 2008-11-26 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FK23R4IRUSDQCVRHNEXKF465WY}

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

How to measure tidal dissipation in long resonant chains

Receipt and verification

First computed	2026-07-04T15:34:21.451968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ab5b8f111a487015627692ea2f3ddb639b19fcaff9775254c4783e16def005a

Aliases

arxiv: 0811.4322 · arxiv_version: 0811.4322v1 · doi: 10.48550/arxiv.0811.4322 · pith_short_12: FK23R4IRUSDQ · pith_short_16: FK23R4IRUSDQCVRH · pith_short_8: FK23R4IR

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/FK23R4IRUSDQCVRHNEXKF465WY \
  | 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: 2ab5b8f111a487015627692ea2f3ddb639b19fcaff9775254c4783e16def005a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e8636cdb8add10c06d15f515a00e1ef873de597c6035ace17d966afd4b5ece7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-11-26T17:30:13Z",
    "title_canon_sha256": "0ccf9458a3eb29ec3ff7c7c7eec0f0085a097e22d22cec5a2a3929b62ba66a3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.4322",
    "kind": "arxiv",
    "version": 1
  }
}