Pith Number

pith:ZPRUAUUE

pith:2009:ZPRUAUUE6YZPDVDC3UKEOSZ63O

not attested not anchored not stored refs pending

The Brown Dwarf Kinematics Project (BDKP). II. Details on Nine Wide Common Proper Motion Very Low-Mass Companions to Nearby Stars

Adam J. Burgasser, Andrew A. West, Frederick M. Walter, Jacqueline K. Faherty, John J. Bochanski, Kelle L. Cruz, Michael M. Shara

arxiv:0911.1363 v1 · 2009-11-06 · 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{ZPRUAUUE6YZPDVDC3UKEOSZ63O}

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	2026-05-18T02:10:58.538393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbe3405284f632f1d462dd14474b3edb891e4af095e14ddb935509c963824864

Aliases

arxiv: 0911.1363 · arxiv_version: 0911.1363v1 · doi: 10.48550/arxiv.0911.1363 · pith_short_12: ZPRUAUUE6YZP · pith_short_16: ZPRUAUUE6YZPDVDC · pith_short_8: ZPRUAUUE

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/ZPRUAUUE6YZPDVDC3UKEOSZ63O \
  | 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: cbe3405284f632f1d462dd14474b3edb891e4af095e14ddb935509c963824864

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfff7c49081f7a372221895f5a798c8ddcb9ca8b6975374443e3b481ba8315a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-06T21:54:26Z",
    "title_canon_sha256": "63b9a90f480b188a5585af6ca3d852d1d50339521d95890c328d5168787c974d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1363",
    "kind": "arxiv",
    "version": 1
  }
}