Pith Number

pith:2MPHFIPW

pith:2010:2MPHFIPWSEDGEUH6R5QADVIT6K

not attested not anchored not stored refs pending

Large-scale inhomogeneities may improve the cosmic concordance of supernovae

Kimmo Kainulainen, Luca Amendola, Miguel Quartin, Valerio Marra

arxiv:1002.1232 v2 · 2010-02-05 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2MPHFIPWSEDGEUH6R5QADVIT6K}

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	2026-05-18T04:40:54.521861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d31e72a1f691066250fe8f6001d513f2ae4fb1dcccbaeb67ae1f5dd0b2c0408b

Aliases

arxiv: 1002.1232 · arxiv_version: 1002.1232v2 · doi: 10.48550/arxiv.1002.1232 · pith_short_12: 2MPHFIPWSEDG · pith_short_16: 2MPHFIPWSEDGEUH6 · pith_short_8: 2MPHFIPW

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/2MPHFIPWSEDGEUH6R5QADVIT6K \
  | 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: d31e72a1f691066250fe8f6001d513f2ae4fb1dcccbaeb67ae1f5dd0b2c0408b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2f60172a948d51b389133ebcbde3e1865794e2c1ee66dc2d6a41e5146d7faea",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-05T14:24:39Z",
    "title_canon_sha256": "2d02b1175fadd0271c8cd2e7e4d9f61495f0706d411d0b50fb7706729b7c0568"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.1232",
    "kind": "arxiv",
    "version": 2
  }
}