Pith Number

pith:USTUYX4K

pith:2010:USTUYX4KLA6ROJFXISWA4T3RIN

not attested not anchored not stored refs pending

A Mismatch in the Ultraviolet Spectra between Low-Redshift and Intermediate-Redshift Type Ia Supernovae as a Possible Systematic Uncertainty for Supernova Cosmology

Adam G. Riess, Alexei V. Filippenko, Bruce Bassett, Donald P. Schneider, Hubert Lampeitl, Jesper Sollerman, Joshua A. Frieman, Kohki Konishi, Masao Sako, Mathew Smith, Peter M. Garnavich, Richard Kessler, Ryan J. Foley, Saurabh W. Jha

arxiv:1010.2749 v2 · 2010-10-13 · astro-ph.CO · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T03:57:37.361560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4a74c5f8a583d1724b744ac0e4f71437ae5e5cefea54ebd659dcac8f3cac1fe

Aliases

arxiv: 1010.2749 · arxiv_version: 1010.2749v2 · doi: 10.48550/arxiv.1010.2749 · pith_short_12: USTUYX4KLA6R · pith_short_16: USTUYX4KLA6ROJFX · pith_short_8: USTUYX4K

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/USTUYX4KLA6ROJFXISWA4T3RIN \
  | 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: a4a74c5f8a583d1724b744ac0e4f71437ae5e5cefea54ebd659dcac8f3cac1fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7f571d2b1ac92d63f1afa7024df1d68435ad331e70506c0eb9d2a7c8553431a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-10-13T20:00:01Z",
    "title_canon_sha256": "01b0d2eb5cf1abb001a82619a42029a73c76bb4dee6331a3bbdc82d50c118387"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2749",
    "kind": "arxiv",
    "version": 2
  }
}