Pith Number

pith:KLSC7YWE

pith:2003:KLSC7YWEIUG7QJZTIRSGQLX366

not attested not anchored not stored refs pending

Using Multi-Band Photometry to Classify Supernovae

Alexei V. Filippenko, Avishay Gal-Yam, Dan Maoz, Douglas C. Leonard, Dovi Poznanski, Thomas Matheson

arxiv:astro-ph/0308530 v1 · 2003-08-29 · 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{KLSC7YWEIUG7QJZTIRSGQLX366}

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	2026-07-04T14:12:51.442623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52e42fe2c4450df827334464682efbf78f73038d0bd2d4f552da1137c33fa7c8

Aliases

arxiv: astro-ph/0308530 · arxiv_version: astro-ph/0308530v1 · doi: 10.48550/arxiv.astro-ph/0308530 · pith_short_12: KLSC7YWEIUG7 · pith_short_16: KLSC7YWEIUG7QJZT · pith_short_8: KLSC7YWE

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/KLSC7YWEIUG7QJZTIRSGQLX366 \
  | 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: 52e42fe2c4450df827334464682efbf78f73038d0bd2d4f552da1137c33fa7c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a6e0c70bc4f9ac1f99b1d3873dec7dbc23eefe8ac399a25251946cd71ca4bbf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-08-29T10:43:40Z",
    "title_canon_sha256": "f6f263ce88cfd091c4576483376b7f265af5b59c33bf3b16e8acad5abceef05c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0308530",
    "kind": "arxiv",
    "version": 1
  }
}