Pith Number

pith:OHTENGEB

pith:2011:OHTENGEBRHZIFJCYMZWR7BUJTR

not attested not anchored not stored refs pending

How do Most Planets Form? -- Constraints on Disk Instability from Direct Imaging

David Lafreniere, Hubert Klahr, Mariangela Bonavita, Markus Janson

arxiv:1111.5617 v1 · 2011-11-23 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OHTENGEBRHZIFJCYMZWR7BUJTR}

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	2026-05-18T01:59:26.103847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71e646988189f282a458666d1f86899c5add3e227e3e1c0b105bf3214cfc07d8

Aliases

arxiv: 1111.5617 · arxiv_version: 1111.5617v1 · doi: 10.48550/arxiv.1111.5617 · pith_short_12: OHTENGEBRHZI · pith_short_16: OHTENGEBRHZIFJCY · pith_short_8: OHTENGEB

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/OHTENGEBRHZIFJCYMZWR7BUJTR \
  | 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: 71e646988189f282a458666d1f86899c5add3e227e3e1c0b105bf3214cfc07d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "558aa21f8088f476944bdccd8777fd293c745415a41d063e3ec76d9c7576dcdc",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-11-23T21:00:08Z",
    "title_canon_sha256": "bd0c3aa4bf0fb5fe3675a22b6de3219bd3762345922f7bdcb6f2831fdadb5b35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5617",
    "kind": "arxiv",
    "version": 1
  }
}