Pith Number

pith:DSYAW23Q

pith:2001:DSYAW23QIYIZWOVC4BQZ3NWCYN

not attested not anchored not stored refs pending

Analysis of Keck HIRES spectra of early L-type dwarfs

Andreas Schweitzer, France Allard, I. Neill Reid, John E. Gizis, Peter H. Hauschildt

arxiv:astro-ph/0103402 v1 · 2001-03-24 · 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{DSYAW23QIYIZWOVC4BQZ3NWCYN}

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	2026-07-04T16:22:55.901210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cb00b6b7046119b3aa2e0619db6c2c355227fa68601a567e382bd7f5ca6933c

Aliases

arxiv: astro-ph/0103402 · arxiv_version: astro-ph/0103402v1 · doi: 10.48550/arxiv.astro-ph/0103402 · pith_short_12: DSYAW23QIYIZ · pith_short_16: DSYAW23QIYIZWOVC · pith_short_8: DSYAW23Q

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/DSYAW23QIYIZWOVC4BQZ3NWCYN \
  | 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: 1cb00b6b7046119b3aa2e0619db6c2c355227fa68601a567e382bd7f5ca6933c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81810570d662b936e8cf8174844269944cfa6f4d3a0e23c8fda757298ab99e13",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-03-24T00:27:24Z",
    "title_canon_sha256": "0cd93b13952a734c7f7b29a54736acc48b775ee8e736ee5e8ae802fdfa366cd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0103402",
    "kind": "arxiv",
    "version": 1
  }
}