Pith Number

pith:JENH5N4Z

pith:2002:JENH5N4ZJGA25UQNYU4523A4MJ

not attested not anchored not stored refs pending

The Type Ia Supernova 1999aw: a Probable 1999aa-like Event In a Low-Luminosity Host Galaxy

A. Athey, A. Bonacic, A. Conley, A. Goobar, A. Szentgyorgyi, C. Muena, D. Groom, E. Gates, G. Aldering, G. Blanc, G. Galaz, G. Goldhaber, I. M. Hook, J. Mendez, J. Seguel, K. Krisciunas, K. von Braun, L. C. Ho, L.-G. Strolger, L. M. Germany, M. Hamuy, M. Mateo, M. M. Phillips, M. Roth, N. B. Suntzeff, P. Candia, P. McCarthy, P. Nugent, P. Ruiz-Lapuente, R. A. Schommer, R. Covarrubias, R. C. Smith, R. Knop, R. Marzke, R. Quimby, S. E. Persson, S. Perlmutter, T. Bowers, T. Dahlen, T. York, W. Freedman, W. M. Wood-Vasey

arxiv:astro-ph/0207409 v1 · 2002-07-18 · 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{JENH5N4ZJGA25UQNYU4523A4MJ}

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	2026-07-04T15:32:01.857362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

491a7eb7994981aed20dc539dd6c1c6277d66a289a6160e5d1e6f00228cadfff

Aliases

arxiv: astro-ph/0207409 · arxiv_version: astro-ph/0207409v1 · doi: 10.48550/arxiv.astro-ph/0207409 · pith_short_12: JENH5N4ZJGA2 · pith_short_16: JENH5N4ZJGA25UQN · pith_short_8: JENH5N4Z

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/JENH5N4ZJGA25UQNYU4523A4MJ \
  | 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: 491a7eb7994981aed20dc539dd6c1c6277d66a289a6160e5d1e6f00228cadfff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "001781049b361c66311701694ad2b867ae945684c426ef38d6a284185f6140a5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-07-18T23:58:46Z",
    "title_canon_sha256": "e3e5968b34c29258120a56d5f90862ca2c73aa9d0bce5a928eeb93c64255ec74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207409",
    "kind": "arxiv",
    "version": 1
  }
}