Pith Number

pith:KYP24AOD

pith:2004:KYP24AODVRH6KDP3W5VN7M7B5T

not attested not anchored not stored refs pending

Spectroscopy of Very Low Mass Stars and Brown Dwarfs in IC2391: Lithium depletion and Halpha emission

California Institute of Technology, David Barrado y Navascues (1) John R. Stauffer (2) Ray Jayawardhana (3) ((1) Laboratorio de Astrofisica Espacial y Fisica Fundamental, LAEFF-INTA, Spain (2) IPAC, University of Michigan, USA), USA (3) Department of Astronomy

arxiv:astro-ph/0406436 v1 · 2004-06-19 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KYP24AODVRH6KDP3W5VN7M7B5T}

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	2026-05-18T01:11:40.157760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

561fae01c3ac4fe50dfbb76adfb3e1ecf721e93289103609f89d3065dce877e7

Aliases

arxiv: astro-ph/0406436 · arxiv_version: astro-ph/0406436v1 · doi: 10.48550/arxiv.astro-ph/0406436 · pith_short_12: KYP24AODVRH6 · pith_short_16: KYP24AODVRH6KDP3 · pith_short_8: KYP24AOD

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/KYP24AODVRH6KDP3W5VN7M7B5T \
  | 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: 561fae01c3ac4fe50dfbb76adfb3e1ecf721e93289103609f89d3065dce877e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49f8598187e2993a0233f5101b207a548e47ef8805cf5903bc8a507c25cd8711",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-06-19T15:33:34Z",
    "title_canon_sha256": "4e357bbd5047b1737ab02794f0f1fc4f6d1fecea28ea85c6d43417688584c6c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0406436",
    "kind": "arxiv",
    "version": 1
  }
}