Pith Number

pith:MMAI2TOU

pith:2012:MMAI2TOUKNEPABRQPUQ74AL3QJ

not attested not anchored not stored refs pending

Cosmography and constraints on the equation of state of the Universe in various parametrizations

Alejandro Aviles, Christine Gruber, Hernando Quevedo, Orlando Luongo

arxiv:1204.2007 v2 · 2012-04-09 · 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{MMAI2TOUKNEPABRQPUQ74AL3QJ}

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.

Cited by

1 paper in Pith

Mapping the redshift drift at various redshifts through cosmography

Receipt and verification

First computed	2026-05-18T03:22:42.243128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63008d4dd45348f006307d21fe017b826984f4ea933233d1a524f9dccf96cfa0

Aliases

arxiv: 1204.2007 · arxiv_version: 1204.2007v2 · doi: 10.48550/arxiv.1204.2007 · pith_short_12: MMAI2TOUKNEP · pith_short_16: MMAI2TOUKNEPABRQ · pith_short_8: MMAI2TOU

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/MMAI2TOUKNEPABRQPUQ74AL3QJ \
  | 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: 63008d4dd45348f006307d21fe017b826984f4ea933233d1a524f9dccf96cfa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88cd186e9f06ca9483387e95e561ee9db542b4f0ddc2abd7c617454545e02727",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-09T23:23:28Z",
    "title_canon_sha256": "2410271556d9f8b392f6159cae377f4f2d08f5c1baf68f727b76d3f32e35141c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2007",
    "kind": "arxiv",
    "version": 2
  }
}