Pith Number

pith:CELLZHHZ

pith:2004:CELLZHHZ3KCBCLVTTNFAZCFUDS

not attested not anchored not stored refs pending

An HST STIS Observation of VW Hydri at the Exact FUV Onset of an Outburst

B. T. Gaensicke, E. M. Sion, F. H. Cheng, P. Szkody

arxiv:astro-ph/0409079 v1 · 2004-09-03 · 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{CELLZHHZ3KCBCLVTTNFAZCFUDS}

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	2026-05-18T01:07:32.196097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1116bc9cf9da84112eb39b4a0c88b41c8ce70f307fb92430fa826fe74b7a843c

Aliases

arxiv: astro-ph/0409079 · arxiv_version: astro-ph/0409079v1 · doi: 10.48550/arxiv.astro-ph/0409079 · pith_short_12: CELLZHHZ3KCB · pith_short_16: CELLZHHZ3KCBCLVT · pith_short_8: CELLZHHZ

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/CELLZHHZ3KCBCLVTTNFAZCFUDS \
  | 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: 1116bc9cf9da84112eb39b4a0c88b41c8ce70f307fb92430fa826fe74b7a843c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1f978954553fdc8fd6b98fd25346bdc5d51d6dda6ee0dbce2f70ee89820dffb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-03T14:10:53Z",
    "title_canon_sha256": "c9ba68cf6b248d01deeb52495367bf1a7ee5c226c5348ef651c1bcd36ae1dc1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409079",
    "kind": "arxiv",
    "version": 1
  }
}