Pith Number

pith:LYXF4XCC

pith:1997:LYXF4XCCEG36DK5TONAYZ6VSUT

not attested not anchored not stored refs pending

Liquid metallic hydrogen and the structure of brown dwarfs and giant planets

A. Burrows, D. Saumon, J.I. Lunine, M.S. Marley, R.S. Freedman, T. Guillot, W. B. Hubbard

arxiv:astro-ph/9703007 v1 · 1997-03-02 · 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{LYXF4XCCEG36DK5TONAYZ6VSUT}

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	2026-07-04T16:02:54.223584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e2e5e5c4221b7e1abb373418cfab2a4cd880dbc3ab936153538834820240293

Aliases

arxiv: astro-ph/9703007 · arxiv_version: astro-ph/9703007v1 · doi: 10.48550/arxiv.astro-ph/9703007 · pith_short_12: LYXF4XCCEG36 · pith_short_16: LYXF4XCCEG36DK5T · pith_short_8: LYXF4XCC

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/LYXF4XCCEG36DK5TONAYZ6VSUT \
  | 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: 5e2e5e5c4221b7e1abb373418cfab2a4cd880dbc3ab936153538834820240293

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d52c4cef56a04a3fed60577a2f12f9b6b183c0a478df8fd3373a83ff58fc374b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-03-02T23:29:17Z",
    "title_canon_sha256": "a767c70d5dceaac6a8c4b403a46bf0233c3f53a545a8b8af17dfe0a9ba08b0fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9703007",
    "kind": "arxiv",
    "version": 1
  }
}