Pith Number

pith:4BY66URD

pith:2011:4BY66URD7DM2V637WJMH3BT6KD

not attested not anchored not stored refs pending

Collisions of inhomogeneous pre-planetesimals

R. J. Geretshauser, R. Speith, W. Kley

arxiv:1110.6439 v1 · 2011-10-28 · astro-ph.EP · physics.comp-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{4BY66URD7DM2V637WJMH3BT6KD}

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	2026-05-18T01:59:50.439990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e071ef5223f8d9aafb7fb2587d867e50e7184b5f6dceaa8000137d2d112f65f0

Aliases

arxiv: 1110.6439 · arxiv_version: 1110.6439v1 · doi: 10.48550/arxiv.1110.6439 · pith_short_12: 4BY66URD7DM2 · pith_short_16: 4BY66URD7DM2V637 · pith_short_8: 4BY66URD

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/4BY66URD7DM2V637WJMH3BT6KD \
  | 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: e071ef5223f8d9aafb7fb2587d867e50e7184b5f6dceaa8000137d2d112f65f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a699fdc435b2a0cfe00011df3db0b19561a3ea5472a43f241e444eb295129299",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-10-28T20:00:00Z",
    "title_canon_sha256": "73b14d438d2b899322c5f9281298803f4eed4283a204c83e5eb3654a43a6f728"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.6439",
    "kind": "arxiv",
    "version": 1
  }
}