Pith Number

pith:VSY6ZNB4

pith:2013:VSY6ZNB4OC5HNEI246T56GFILM

not attested not anchored not stored refs pending

The formation of planets by disc fragmentation

Dimitris Stamatellos

arxiv:1302.3955 v1 · 2013-02-16 · astro-ph.EP · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VSY6ZNB4OC5HNEI246T56GFILM}

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	2026-05-18T01:51:36.066392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acb1ecb43c70ba76911ae7a7df18a85b2b077999fe0adc29cb46ffce79f5c2f9

Aliases

arxiv: 1302.3955 · arxiv_version: 1302.3955v1 · doi: 10.48550/arxiv.1302.3955 · pith_short_12: VSY6ZNB4OC5H · pith_short_16: VSY6ZNB4OC5HNEI2 · pith_short_8: VSY6ZNB4

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/VSY6ZNB4OC5HNEI246T56GFILM \
  | 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: acb1ecb43c70ba76911ae7a7df18a85b2b077999fe0adc29cb46ffce79f5c2f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10297f4ca802c7ec2c87c69b570c3f86c5e2a99b0fb9c5d8ebe6eaeede172018",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-02-16T10:54:30Z",
    "title_canon_sha256": "9442c437e7b906c94c49d2cbda78b58599b845112081edc375ae9d40bdc5a0e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3955",
    "kind": "arxiv",
    "version": 1
  }
}