Pith Number

pith:FSCVLKNL

pith:2018:FSCVLKNLM2BYKGEIV7IWS4HN2T

not attested not anchored not stored refs pending

The UV spectrum of the Ultracool Dwarf LSR J1835+3259 observed with the Hubble Space Telescope

Alexandre Wennmacher, Ansgar Reiners, Christian Fischer, Darrell F. Strobel, Joachim Saur, Lorenz Roth, Paul D. Feldman

arxiv:1804.01165 v1 · 2018-04-03 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FSCVLKNLM2BYKGEIV7IWS4HN2T}

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	2026-05-18T00:14:07.937943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c8555a9ab6683851888afd16970edd4e4f1efd93f30d68d5a6a64b4f1cbb41e

Aliases

arxiv: 1804.01165 · arxiv_version: 1804.01165v1 · doi: 10.48550/arxiv.1804.01165 · pith_short_12: FSCVLKNLM2BY · pith_short_16: FSCVLKNLM2BYKGEI · pith_short_8: FSCVLKNL

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/FSCVLKNLM2BYKGEIV7IWS4HN2T \
  | 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: 2c8555a9ab6683851888afd16970edd4e4f1efd93f30d68d5a6a64b4f1cbb41e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3d9ee2f6fff3b44a568e3ed73a757170eb88cc2a3d1a5c9ce1a8211824c7025",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-03T20:50:20Z",
    "title_canon_sha256": "bdb5028448640779ffa762dd9d4fdcb16e2117a721fbd1afd883f99220dd7aca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01165",
    "kind": "arxiv",
    "version": 1
  }
}