Pith Number

pith:4HQAHDQ5

pith:2012:4HQAHDQ5U6ARGZI2W3CD4TLGGJ

not attested not anchored not stored refs pending

Testing Models of Intrinsic Brightness Variations in Type Ia Supernovae, and their Impact on Measuring Cosmological Parameters

David Cinabro, Donald P. Schneider, Jennifer Mosher, John Marriner, Jon Brinkmann, Joshua Frieman, Julien Guy, Marc Betoule, Patrick El-Hage, Richard Kessler, Saurabh Jha

arxiv:1209.2482 v3 · 2012-09-12 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4HQAHDQ5U6ARGZI2W3CD4TLGGJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:54:30.174187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1e0038e1da78113651ab6c43e4d663276335683fdc0bbe3ac04fbc7ac18de53

Aliases

arxiv: 1209.2482 · arxiv_version: 1209.2482v3 · doi: 10.48550/arxiv.1209.2482 · pith_short_12: 4HQAHDQ5U6AR · pith_short_16: 4HQAHDQ5U6ARGZI2 · pith_short_8: 4HQAHDQ5

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/4HQAHDQ5U6ARGZI2W3CD4TLGGJ \
  | 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: e1e0038e1da78113651ab6c43e4d663276335683fdc0bbe3ac04fbc7ac18de53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a29255e98c3464ed2f38f5b4048b8be8f401cf5c7f88277af220db363904e3e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-12T02:33:26Z",
    "title_canon_sha256": "078efac5e513734008f92bc4751033c2acab66d5b3ac362bbdfb1fbc4600a4e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.2482",
    "kind": "arxiv",
    "version": 3
  }
}