Pith Number

pith:L2TYUJYQ

pith:2012:L2TYUJYQLHQWFLKWCWJSAHL6XC

not attested not anchored not stored refs pending

Constraints on planet formation via gravitational instability across cosmic time

Hui Li (LANL), Jarrett L. Johnson

arxiv:1212.1482 v3 · 2012-12-06 · astro-ph.EP · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L2TYUJYQLHQWFLKWCWJSAHL6XC}

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	2026-05-18T01:52:46.751907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ea78a271059e162ad561593201d7eb8a06c1fbdf36ae5fb9f3921e255974870

Aliases

arxiv: 1212.1482 · arxiv_version: 1212.1482v3 · doi: 10.48550/arxiv.1212.1482 · pith_short_12: L2TYUJYQLHQW · pith_short_16: L2TYUJYQLHQWFLKW · pith_short_8: L2TYUJYQ

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/L2TYUJYQLHQWFLKWCWJSAHL6XC \
  | 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: 5ea78a271059e162ad561593201d7eb8a06c1fbdf36ae5fb9f3921e255974870

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5ba53bb6c20db70fcab59414d4ba9dcfae0693df188d7c915c5bcafec04181c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-12-06T21:38:00Z",
    "title_canon_sha256": "359cc01f50e54def93f72649db2b7c871f87ac9891ba818c084eefb605a8f30f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1482",
    "kind": "arxiv",
    "version": 3
  }
}