Pith Number

pith:X32HYSCM

pith:2012:X32HYSCMSMORCA3CZW5D3HYLF4

not attested not anchored not stored refs pending

Constraining the dark energy and smoothness parameter with type Ia Supernovae and Gamma-Ray Bursts

J. A. S. Lima, R. C. Santos, V. C. Busti

arxiv:1202.0449 v2 · 2012-02-02 · 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{X32HYSCMSMORCA3CZW5D3HYLF4}

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	2026-05-18T01:58:36.269016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bef47c484c931d110362cdba3d9f0b2f012732ebf209da7ec832b3c0044837ff

Aliases

arxiv: 1202.0449 · arxiv_version: 1202.0449v2 · doi: 10.48550/arxiv.1202.0449 · pith_short_12: X32HYSCMSMOR · pith_short_16: X32HYSCMSMORCA3C · pith_short_8: X32HYSCM

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/X32HYSCMSMORCA3CZW5D3HYLF4 \
  | 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: bef47c484c931d110362cdba3d9f0b2f012732ebf209da7ec832b3c0044837ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f741e6200545260e5057b44b6be65e19158b696c7d9655380c93b95a22e1688b",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-02T14:49:35Z",
    "title_canon_sha256": "276e559a139ca0546ecc7eb06ec98eae716ff73f29923111ba30b84504242a5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0449",
    "kind": "arxiv",
    "version": 2
  }
}