Pith Number

pith:I45WYSGM

pith:2003:I45WYSGM3R7KDKUXGVMWTF5GYO

not attested not anchored not stored refs pending

Hubble Space Telescope Observations of the Nova-Like Cataclysmic Variable V348 Puppis

C.S. Froning, K.S. Long, & R. Baptista

arxiv:astro-ph/0304328 v2 · 2003-04-17 · 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{I45WYSGM3R7KDKUXGVMWTF5GYO}

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	2026-07-04T16:36:53.162688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

473b6c48ccdc7ea1aa9735596997a6c396de42a88a0bb9dcf6e28efa3166ec03

Aliases

arxiv: astro-ph/0304328 · arxiv_version: astro-ph/0304328v2 · doi: 10.48550/arxiv.astro-ph/0304328 · pith_short_12: I45WYSGM3R7K · pith_short_16: I45WYSGM3R7KDKUX · pith_short_8: I45WYSGM

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/I45WYSGM3R7KDKUXGVMWTF5GYO \
  | 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: 473b6c48ccdc7ea1aa9735596997a6c396de42a88a0bb9dcf6e28efa3166ec03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51c2980cafc78bbd688b25781d22ff1129dcf05cab7eb48314f294abae3ec4b1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-04-17T16:26:31Z",
    "title_canon_sha256": "6b2e9bee3b697d0be6e7e43525e0c03833a98c78fa4fde4f85fddc2147665712"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0304328",
    "kind": "arxiv",
    "version": 2
  }
}