Pith Number

pith:557SUMZL

pith:2011:557SUMZLKF4KHCQPHL6OOAKMIV

not attested not anchored not stored refs pending

Confirmation of One of the Coldest Known Brown Dwarfs

A. J. Burgasser, A. J. Monson, D. Saumon, I. Labbe, J. J. Bochanski, K. L. Luhman, M. S. Marley, S. E. Persson

arxiv:1110.4353 v1 · 2011-10-19 · 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{557SUMZLKF4KHCQPHL6OOAKMIV}

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	2026-05-18T02:00:08.460672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef7f2a332b5178a38a0f3afce7014c4543dc6885a8d5393d99ed09ee66ec46bf

Aliases

arxiv: 1110.4353 · arxiv_version: 1110.4353v1 · doi: 10.48550/arxiv.1110.4353 · pith_short_12: 557SUMZLKF4K · pith_short_16: 557SUMZLKF4KHCQP · pith_short_8: 557SUMZL

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/557SUMZLKF4KHCQPHL6OOAKMIV \
  | 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: ef7f2a332b5178a38a0f3afce7014c4543dc6885a8d5393d99ed09ee66ec46bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18a2045afb17d132eeb56f74aa5b1e409e75c7a72ebd852530335af890bdaa72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-10-19T19:04:57Z",
    "title_canon_sha256": "ec5992b1446ca8da98292446ca66cee8af95c8b29752b37194b9b54cf1e685be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4353",
    "kind": "arxiv",
    "version": 1
  }
}