Pith Number

pith:JI56KII3

pith:2002:JI56KII3DMMP72DM4FMLQOOQM5

not attested not anchored not stored refs pending

Not Color Blind: Using Multiband Photometry to Classify Supernovae

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

arxiv:astro-ph/0202198 v2 · 2002-02-10 · 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{JI56KII3DMMP72DM4FMLQOOQM5}

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	2026-07-04T16:29:23.234804Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a3be5211b1b18ffe86ce158b839d06768206affdd378bfd6c3a794401e5213d

Aliases

arxiv: astro-ph/0202198 · arxiv_version: astro-ph/0202198v2 · doi: 10.48550/arxiv.astro-ph/0202198 · pith_short_12: JI56KII3DMMP · pith_short_16: JI56KII3DMMP72DM · pith_short_8: JI56KII3

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/JI56KII3DMMP72DM4FMLQOOQM5 \
  | 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: 4a3be5211b1b18ffe86ce158b839d06768206affdd378bfd6c3a794401e5213d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbc1b25f4270261b29c6b07a3b73d1a89c095951560fd3b5051077b5bc644b79",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-02-10T11:27:03Z",
    "title_canon_sha256": "15458d1e98e7add214de7aa1cba5735de9ab7c3d389677f1df206dc31e58d794"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0202198",
    "kind": "arxiv",
    "version": 2
  }
}