Pith Number

pith:GJY3P4I7

pith:2018:GJY3P4I7DEJOTCTCRELJTCOWXM

not attested not anchored not stored refs pending

An L Band Spectrum of the Coldest Brown Dwarf

Andrew J. Skemer, Brittany E. Miles, Caroline V. Morley, Channon Visscher, Gordon L. Bjoraker, Jacqueline K. Faherty, Jonathan J. Fortney, Katelyn N. Allers, Mark. S. Marley, Richard S. Freedman, Roxana Lupu, Samuel A. Beiler, Thomas R. Geballe

arxiv:1804.07771 v1 · 2018-04-20 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GJY3P4I7DEJOTCTCRELJTCOWXM}

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	2026-05-18T00:15:14.300172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3271b7f11f1912e98a6289169989d6bb098f88cd88b3559b0a6a6ddc2f16f1d9

Aliases

arxiv: 1804.07771 · arxiv_version: 1804.07771v1 · doi: 10.48550/arxiv.1804.07771 · pith_short_12: GJY3P4I7DEJO · pith_short_16: GJY3P4I7DEJOTCTC · pith_short_8: GJY3P4I7

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/GJY3P4I7DEJOTCTCRELJTCOWXM \
  | 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: 3271b7f11f1912e98a6289169989d6bb098f88cd88b3559b0a6a6ddc2f16f1d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "605b27feaf2b25e36cd77c27c9f650da4962da05579d2573c74b1a5d9f685c95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-04-20T18:00:07Z",
    "title_canon_sha256": "1a011cb669a814c6d30d970e579f0bb2c73e769b96b02e7d6eb64ac882aa217a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07771",
    "kind": "arxiv",
    "version": 1
  }
}