Pith Number

pith:EPSNM44J

pith:2010:EPSNM44JRNJX7UWH26QLLK5HSG

not attested not anchored not stored refs pending

The First Ultra-Cool Brown Dwarf Discovered by the Wide-field Infrared Survey Explorer

A. Mainzer, C. R. Gelino, D. Leisawitz, D. Padgett, D. Saumon, E. Wright, F. Masci, I. McLean, J. Davy Kirkpatrick, K. Marsh, K. Rueff, M. Dietrich, Michael C. Cushing, M. Marley, M. Skrutskie, O. Kuhn, P. Eisenhardt, P. Garnavich, R. Beaton, T. Jarrett

arxiv:1011.2279 v1 · 2010-11-10 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EPSNM44JRNJX7UWH26QLLK5HSG}

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	2026-05-18T02:04:49.475394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23e4d673898b537fd2c7d7a0b5aba791ab2dc91ac4776568eaa901a578232c37

Aliases

arxiv: 1011.2279 · arxiv_version: 1011.2279v1 · doi: 10.48550/arxiv.1011.2279 · pith_short_12: EPSNM44JRNJX · pith_short_16: EPSNM44JRNJX7UWH · pith_short_8: EPSNM44J

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/EPSNM44JRNJX7UWH26QLLK5HSG \
  | 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: 23e4d673898b537fd2c7d7a0b5aba791ab2dc91ac4776568eaa901a578232c37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a284bf9a4cef0a32d408b88efc543daf70b11ca7cc3dae1d6bf2368828379980",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-11-10T05:56:43Z",
    "title_canon_sha256": "c81df09c184b00bdf9362377db43ad4ab843786d2b39ef964283863a4437838d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.2279",
    "kind": "arxiv",
    "version": 1
  }
}