Pith Number

pith:7GH2AEBU

pith:2007:7GH2AEBUUZXH5AANKKEPDGJOIM

not attested not anchored not stored refs pending

Quantitative comparison between Type Ia supernova spectra at low and high redshifts: A case study

A. Conley, A. G. Kim, A. Goobar, A. L. Spadafora, B. C. Lee, C. Lidman, D. A. Howell, D. E. Groom, E. Smith, G. Aldering, G. Blanc, G. Folatelli, G. Garavini, G. Goldhaber, G. Sainton, I. Hook, J. Bronder, J. Mendez, J. Raux, K. Motohara, K. Schahmaneche, L. Wang, M. Doi, M. Kowalski, M. S. Burns, N. A. Walton, N. Kashikawa, N. Kuznetsova, N. Regnault, N. Yasuda. The Supernova Cosmology Project, P. Antilogus, P. Astier, P. E. Nugent, P. Ruiz-Lapuente, R. Amanullah, R. C. Thomas, R. Gibbons, R. Pain, R. Quimby, S. E. Deustua, S. Fabbro, S. Nobili, S. Perlmutter, T. Morokuma, V. Fadeyev, V. Stanishev, W. M. Wood-Vasey

arxiv:astro-ph/0703629 v1 · 2007-03-24 · 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{7GH2AEBUUZXH5AANKKEPDGJOIM}

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	2026-07-04T17:07:49.198097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f98fa01034a66e7e800d5288f1992e433363acefb4bdeefc7987edd3c75c0bdf

Aliases

arxiv: astro-ph/0703629 · arxiv_version: astro-ph/0703629v1 · doi: 10.48550/arxiv.astro-ph/0703629 · pith_short_12: 7GH2AEBUUZXH · pith_short_16: 7GH2AEBUUZXH5AAN · pith_short_8: 7GH2AEBU

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/7GH2AEBUUZXH5AANKKEPDGJOIM \
  | 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: f98fa01034a66e7e800d5288f1992e433363acefb4bdeefc7987edd3c75c0bdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b8695939e6f538175c8e648266fe960f99a7edcd334219ccc98c1d3df07c117",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-24T10:09:59Z",
    "title_canon_sha256": "9b9bfce736bbece28cff941e637b3b607fdf252c042844d6a2fdc3af6a282c19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703629",
    "kind": "arxiv",
    "version": 1
  }
}