Pith Number

pith:LVF6RSBS

pith:1997:LVF6RSBS4VGCSTVD4FSEE3C4VR

not attested not anchored not stored refs pending

Optical Light Curves of the Type Ia Supernovae 1990N and 1991T

A. Dey, A. Layden, Alistair R. Walker, Arlin P. S. Crotts, Daniel M. Rehner, E. Siciliano, F. K. Baganoff, Gerard M. Williger, J. A. Baldwin, J. H. Elias, J. Hibbard, Jose Maza, Joshua Roth, L. Gonzalez, Lisa A. Wells, Mario Hamuy, M. M. Phillips, M. Navarrete, N. D. Tyson, Nicholas B. Suntzeff, Patrick Seitzer, P. Guhathakurta, P. Lira, P. Ugarte, R. A. Schommer, R. Aviles, R. C. Smith, R. Michael Rich, T. B. Williams, Y.-C. Kim

arxiv:astro-ph/9709262 v1 · 1997-09-25 · 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{LVF6RSBS4VGCSTVD4FSEE3C4VR}

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	2026-05-18T01:40:16.692285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d4be8c832e54c294ea3e164426c5cac696792a96207e39f2996c0ee317ac9c1

Aliases

arxiv: astro-ph/9709262 · arxiv_version: astro-ph/9709262v1 · doi: 10.48550/arxiv.astro-ph/9709262 · pith_short_12: LVF6RSBS4VGC · pith_short_16: LVF6RSBS4VGCSTVD · pith_short_8: LVF6RSBS

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/LVF6RSBS4VGCSTVD4FSEE3C4VR \
  | 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: 5d4be8c832e54c294ea3e164426c5cac696792a96207e39f2996c0ee317ac9c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b34e7451e3378d69a8beef9d38dcd1c4d38e414def0a1b6f78204f85794550ac",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-09-25T20:47:04Z",
    "title_canon_sha256": "8c830b43a657cc63da8afb55a21a5a40328f17e0d7ba4eee2e955ba8c82aad0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9709262",
    "kind": "arxiv",
    "version": 1
  }
}