Pith Number

pith:ANY3QPHP

pith:2003:ANY3QPHPDI4SFZJXK5AR3QNTQG

not attested not anchored not stored refs pending

Optical Light Curves of Supernovae

Bruno Leibundgut, Nicholas B.Suntzeff

arxiv:astro-ph/0304112 v1 · 2003-04-07 · 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{ANY3QPHPDI4SFZJXK5AR3QNTQG}

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	2026-05-18T01:17:13.119507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0371b83cef1a3922e53757411dc1b38182311e26374335cdac613a1cbd33a4c9

Aliases

arxiv: astro-ph/0304112 · arxiv_version: astro-ph/0304112v1 · doi: 10.48550/arxiv.astro-ph/0304112 · pith_short_12: ANY3QPHPDI4S · pith_short_16: ANY3QPHPDI4SFZJX · pith_short_8: ANY3QPHP

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/ANY3QPHPDI4SFZJXK5AR3QNTQG \
  | 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: 0371b83cef1a3922e53757411dc1b38182311e26374335cdac613a1cbd33a4c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f90c97f5167b4fd8e9804b5b64208018dee4d6cf03f0c55b524b2194f3d12f4d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-04-07T08:41:04Z",
    "title_canon_sha256": "dee62b5eb6af6230eb6b54267c3afda9a1e2d14c7c125af345c56df5d92e9cef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0304112",
    "kind": "arxiv",
    "version": 1
  }
}