Pith Number

pith:XLVNDNA2

pith:2000:XLVNDNA2CQRNZ6TCBE4G7MQTGX

not attested not anchored not stored refs pending

Observing high-redshift Supernovae in lensed galaxies

(2) Rostov University, 3) ((1) IUCAA, (3) OAA, Firenze, India, Italy), Pune, Russia, Somak Raychaudhury (1), Tarun Deep Saini (1), Yuri A. Shchekinov (2

arxiv:astro-ph/0002448 v1 · 2000-02-24 · 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{XLVNDNA2CQRNZ6TCBE4G7MQTGX}

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	2026-05-18T04:21:42.745667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

baead1b41a1422dcfa6209386fb21335e688fe0c7964d8739db6fc260223f9e1

Aliases

arxiv: astro-ph/0002448 · arxiv_version: astro-ph/0002448v1 · doi: 10.48550/arxiv.astro-ph/0002448 · pith_short_12: XLVNDNA2CQRN · pith_short_16: XLVNDNA2CQRNZ6TC · pith_short_8: XLVNDNA2

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/XLVNDNA2CQRNZ6TCBE4G7MQTGX \
  | 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: baead1b41a1422dcfa6209386fb21335e688fe0c7964d8739db6fc260223f9e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e77a881c080f68480006899f1a9e456e77cbc89bbd4aafd3b7f269c74540afae",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-02-24T11:29:51Z",
    "title_canon_sha256": "1e956db32746eb6c64c001dcef5b08e368e1f75777bf3a0336f8b117398748e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0002448",
    "kind": "arxiv",
    "version": 1
  }
}