Pith Number

pith:XSSDPE4S

pith:2002:XSSDPE4S4J5XBRWA5RGPOKHIPB

not attested not anchored not stored refs pending

Methane and the Spectra of T Dwarfs

Derek Homeier, France Allard, Peter H. Hauschildt

arxiv:astro-ph/0209171 v1 · 2002-09-10 · 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{XSSDPE4S4J5XBRWA5RGPOKHIPB}

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	2026-07-04T14:12:12.900261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bca4379392e27b70c6c0ec4cf728e8784698a5b830b7104408e64faa4edaec57

Aliases

arxiv: astro-ph/0209171 · arxiv_version: astro-ph/0209171v1 · doi: 10.48550/arxiv.astro-ph/0209171 · pith_short_12: XSSDPE4S4J5X · pith_short_16: XSSDPE4S4J5XBRWA · pith_short_8: XSSDPE4S

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/XSSDPE4S4J5XBRWA5RGPOKHIPB \
  | 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: bca4379392e27b70c6c0ec4cf728e8784698a5b830b7104408e64faa4edaec57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d1830ea2b2df023f47a10afc9977d223d1bff249de3aef54526f7df8e3fc6ef",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-09-10T00:24:40Z",
    "title_canon_sha256": "f3f2c288dbb2176211430d3f0975f07aa1ead50b66965583f92d617a1de068ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0209171",
    "kind": "arxiv",
    "version": 1
  }
}