Pith Number

pith:R4ATKKDN

pith:2007:R4ATKKDNORPWG3KWRE5EU6MCOI

not attested not anchored not stored refs pending

Is there Evidence for a Hubble bubble? The Nature of Type Ia Supernova Colors and Dust in External Galaxies

A. Conley, A. G. Riess, D. A. Howell, J. Guy, M. Sullivan, R. G. Carlberg, S. Jha

arxiv:0705.0367 v2 · 2007-05-02 · 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{R4ATKKDNORPWG3KWRE5EU6MCOI}

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	2026-05-18T02:35:31.210205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f0135286d745f636d56893a4a7982720c5766d1ed78075bacd8a53a8091b09f

Aliases

arxiv: 0705.0367 · arxiv_version: 0705.0367v2 · doi: 10.48550/arxiv.0705.0367 · pith_short_12: R4ATKKDNORPW · pith_short_16: R4ATKKDNORPWG3KW · pith_short_8: R4ATKKDN

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/R4ATKKDNORPWG3KWRE5EU6MCOI \
  | 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: 8f0135286d745f636d56893a4a7982720c5766d1ed78075bacd8a53a8091b09f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9113e02917f84c62dc3e094af9f3ac8b9c0429f6cc301dd0692a483b95ba533",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-05-02T20:30:36Z",
    "title_canon_sha256": "6192541d82e1d3d06c9cf6d7e4942ac44a2bf7fd298f009f9d27eeaf1053937b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.0367",
    "kind": "arxiv",
    "version": 2
  }
}