Pith Number

pith:72QWEGRY

pith:2011:72QWEGRYET2L2DCVW34GH6IKWI

not attested not anchored not stored refs pending

Ridge Formation and De-Spinning of Iapetus via an Impact-Generated Satellite

A. C. Barr, H. F. Levison, K. J. Walsh, L. Dones

arxiv:1105.1685 v1 · 2011-05-09 · 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{72QWEGRYET2L2DCVW34GH6IKWI}

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	2026-05-18T01:18:49.748284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fea1621a3824f4bd0c55b6f863f90ab20571b78462cb74a322f8e687c3ab9605

Aliases

arxiv: 1105.1685 · arxiv_version: 1105.1685v1 · doi: 10.48550/arxiv.1105.1685 · pith_short_12: 72QWEGRYET2L · pith_short_16: 72QWEGRYET2L2DCV · pith_short_8: 72QWEGRY

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/72QWEGRYET2L2DCVW34GH6IKWI \
  | 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: fea1621a3824f4bd0c55b6f863f90ab20571b78462cb74a322f8e687c3ab9605

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ec5623c8cc98435f225e1f3e59d85505082680a471bf5b74a3cb90b420b068c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-05-09T14:31:39Z",
    "title_canon_sha256": "2f7c4c482b4a677c6229791c605c7f0369a4508e13231fb1a02ba1cce7e84244"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.1685",
    "kind": "arxiv",
    "version": 1
  }
}