Pith Number

pith:BOS44SW3

pith:2012:BOS44SW3CUC7NAY76PMYPJ7VAE

not attested not anchored not stored refs pending

The Minimum-Mass Extrasolar Nebula: In-Situ Formation of Close-In Super-Earths

E. Chiang (UCB), G. Laughlin (UCSC)

arxiv:1211.1673 v3 · 2012-11-07 · 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{BOS44SW3CUC7NAY76PMYPJ7VAE}

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	2026-05-18T01:53:18.313838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ba5ce4adb1505f6831ff3d987a7f501138cb66b4f552d15430e43333c1d078c

Aliases

arxiv: 1211.1673 · arxiv_version: 1211.1673v3 · doi: 10.48550/arxiv.1211.1673 · pith_short_12: BOS44SW3CUC7 · pith_short_16: BOS44SW3CUC7NAY7 · pith_short_8: BOS44SW3

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/BOS44SW3CUC7NAY76PMYPJ7VAE \
  | 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: 0ba5ce4adb1505f6831ff3d987a7f501138cb66b4f552d15430e43333c1d078c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "676c8155a4abf9f9721a71f58501751605f0458326110c68418588d6c02088b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2012-11-07T21:00:02Z",
    "title_canon_sha256": "c29027b5805d3e6b22aa27d3c8ac862921a4cbae817b334c1762da2f288235fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1673",
    "kind": "arxiv",
    "version": 3
  }
}