Pith Number

pith:DFCCDBOJ

pith:2016:DFCCDBOJDP4EFXMEEI5BUAWI6L

not attested not anchored not stored refs pending

The First Spectrum of the Coldest Brown Dwarf

Andrew Skemer, Caroline Morley, Gordon Bjoraker, Jacqueline Faherty, Jonathan Fortney, Katelyn Allers, Mark Marley, Roxana Lupu, Thomas Geballe

arxiv:1605.04902 v1 · 2016-05-16 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFCCDBOJDP4EFXMEEI5BUAWI6L}

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	2026-05-18T01:10:03.071885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19442185c91bf842dd84223a1a02c8f2f39fab3522298860c945ba20d0a395ef

Aliases

arxiv: 1605.04902 · arxiv_version: 1605.04902v1 · doi: 10.48550/arxiv.1605.04902 · pith_short_12: DFCCDBOJDP4E · pith_short_16: DFCCDBOJDP4EFXME · pith_short_8: DFCCDBOJ

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/DFCCDBOJDP4EFXMEEI5BUAWI6L \
  | 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: 19442185c91bf842dd84223a1a02c8f2f39fab3522298860c945ba20d0a395ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0735bfa0acb57fb3a16b18e5d5dc9f5ec17fb0c11d35c4f05bfbb964bdd4623b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-05-16T20:00:00Z",
    "title_canon_sha256": "bb5eec0e12ecbd3aa1ac26b46f0b8d6451c01f52fd4a7ed891e6ec52bb75a283"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04902",
    "kind": "arxiv",
    "version": 1
  }
}