Pith Number

pith:PT63ZXSW

pith:2000:PT63ZXSWB4YKFL6GZXSYHBSFZN

not attested not anchored not stored refs pending

Molecular Abundances in the Atmosphere of the T Dwarf Gl 229B

B. Fegley, D. Saumon, K. Lodders, M.S. Marley, R.S. Freedman, S.K. Leggett, S.K. Sengupta, T.R. Geballe

arxiv:astro-ph/0003353 v1 · 2000-03-23 · 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{PT63ZXSWB4YKFL6GZXSYHBSFZN}

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	2026-07-04T16:16:13.076690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cfdbcde560f30a2afc6cde5838645cb717d883369b5978003f9ad3654eb97a7

Aliases

arxiv: astro-ph/0003353 · arxiv_version: astro-ph/0003353v1 · doi: 10.48550/arxiv.astro-ph/0003353 · pith_short_12: PT63ZXSWB4YK · pith_short_16: PT63ZXSWB4YKFL6G · pith_short_8: PT63ZXSW

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/PT63ZXSWB4YKFL6GZXSYHBSFZN \
  | 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: 7cfdbcde560f30a2afc6cde5838645cb717d883369b5978003f9ad3654eb97a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c250f8fe771c43cd7b1b1446f9509fb4f8a3f5b0d345e4b4a07bd0326db1348",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-03-23T18:03:14Z",
    "title_canon_sha256": "72bd43a0970b78da1d9273e174480d2c701b4cb8e28749abda191d42c08cf827"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0003353",
    "kind": "arxiv",
    "version": 1
  }
}