Pith Number

pith:BCQQCQSI

pith:2013:BCQQCQSIUX7SIBSRH6J2QF23WB

not attested not anchored not stored refs pending

Two Beyond-Primitive Extrasolar Planetesimals

B. Klein (1), B. Zuckerman (1) ((1) UCLA (2) University of Kiel), D. Koester (2), M. Jura (1), S. Xu (1)

arxiv:1302.4799 v2 · 2013-02-20 · 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{BCQQCQSIUX7SIBSRH6J2QF23WB}

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	2026-05-18T01:51:35.118265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08a1014248a5ff2406513f93a8175bb06f93cd2a423fb8e5545e2ecf0700d0f0

Aliases

arxiv: 1302.4799 · arxiv_version: 1302.4799v2 · doi: 10.48550/arxiv.1302.4799 · pith_short_12: BCQQCQSIUX7S · pith_short_16: BCQQCQSIUX7SIBSR · pith_short_8: BCQQCQSI

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/BCQQCQSIUX7SIBSRH6J2QF23WB \
  | 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: 08a1014248a5ff2406513f93a8175bb06f93cd2a423fb8e5545e2ecf0700d0f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82052a34ed236056c0d06b81412413c62621d4ba18ea05980cbfe78ee2950d99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-02-20T03:01:12Z",
    "title_canon_sha256": "4d4e66ef23a8cc05f334a7a47dfe6f31920197bface741e11518a0b4bae1e6c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4799",
    "kind": "arxiv",
    "version": 2
  }
}