Pith Number

pith:JWQKALMC

pith:2011:JWQKALMCU4AP5ZN5XVECZTO3B6

not attested not anchored not stored refs pending

FIRE Spectroscopy of the ultra-cool brown dwarf, UGPS J072227.51-054031.2: Kinematics, Rotation and Atmospheric Parameters

Adam J. Burgasser, Andrew A. West, John J. Bochanski, Robert A. Simcoe

arxiv:1109.2897 v1 · 2011-09-13 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JWQKALMCU4AP5ZN5XVECZTO3B6}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:00:33.422660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4da0a02d82a700fee5bdbd482ccddb0f87a046c8c903be952eee3b01fee65979

Aliases

arxiv: 1109.2897 · arxiv_version: 1109.2897v1 · doi: 10.48550/arxiv.1109.2897 · pith_short_12: JWQKALMCU4AP · pith_short_16: JWQKALMCU4AP5ZN5 · pith_short_8: JWQKALMC

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/JWQKALMCU4AP5ZN5XVECZTO3B6 \
  | 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: 4da0a02d82a700fee5bdbd482ccddb0f87a046c8c903be952eee3b01fee65979

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06fe1eabde9fcf95c258194e40348ae7ad4a3c70ad4c38dfc2de335e61c98314",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-09-13T20:00:00Z",
    "title_canon_sha256": "d53869d6df3618c28a2c4957cfc749406c8280b47c0c958c6e912b39b24fc03a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2897",
    "kind": "arxiv",
    "version": 1
  }
}