Pith Number

pith:P5CXE55G

pith:2002:P5CXE55GV2RTZP3NGCDWL76SIH

not attested not anchored not stored refs pending

The FUV spectrum of TW Hya. I. Observations of H$_2$ Fluorescence

Brian E. Wood, Chris M. Johns-Krull, Gregory J. Herczeg, Jeff A. Valenti, Jeffrey L. Linsky

arxiv:astro-ph/0201319 v1 · 2002-01-18 · 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{P5CXE55GV2RTZP3NGCDWL76SIH}

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	2026-07-04T16:29:17.015008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f457277a6aea33cbf6d308765ffd241c50eddf302bed8178a35e0e09d2f8a4b

Aliases

arxiv: astro-ph/0201319 · arxiv_version: astro-ph/0201319v1 · doi: 10.48550/arxiv.astro-ph/0201319 · pith_short_12: P5CXE55GV2RT · pith_short_16: P5CXE55GV2RTZP3N · pith_short_8: P5CXE55G

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/P5CXE55GV2RTZP3NGCDWL76SIH \
  | 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: 7f457277a6aea33cbf6d308765ffd241c50eddf302bed8178a35e0e09d2f8a4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e635b093393a12783026bb7948d103e43f87931e104f0d25df62095a23f4dced",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-01-18T21:01:36Z",
    "title_canon_sha256": "265b417b5839cc6c63888022b262dbb36c3c41d6c2753bd44a7bf1f74542fa31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0201319",
    "kind": "arxiv",
    "version": 1
  }
}