Pith Number

pith:BRVOR7SP

pith:2010:BRVOR7SPJUKBC64LWPE3TJQ2NK

not attested not anchored not stored refs pending

Discovery of a Planetary-mass Companion to a Brown Dwarf in Taurus

K. K. McLeod, K. L. Luhman, K. Todorov

arxiv:1004.0539 v1 · 2010-04-04 · 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{BRVOR7SPJUKBC64LWPE3TJQ2NK}

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	2026-05-18T02:08:14.499293Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c6ae8fe4f4d14117b8bb3c9b9a61a6ab98f30f56259dfcbe57268271e777c96

Aliases

arxiv: 1004.0539 · arxiv_version: 1004.0539v1 · doi: 10.48550/arxiv.1004.0539 · pith_short_12: BRVOR7SPJUKB · pith_short_16: BRVOR7SPJUKBC64L · pith_short_8: BRVOR7SP

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/BRVOR7SPJUKBC64LWPE3TJQ2NK \
  | 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: 0c6ae8fe4f4d14117b8bb3c9b9a61a6ab98f30f56259dfcbe57268271e777c96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e8cbcdb2868b718d29a76c82d599b523accee8a303ee1758d0b3152c80e02b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-04-04T23:21:59Z",
    "title_canon_sha256": "0ac29f2bcd03237e2eab1a228eb958b86f6efc516a86a29d9dd06d36b20f9fe0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0539",
    "kind": "arxiv",
    "version": 1
  }
}