Pith Number

pith:SALCA7B4

pith:2018:SALCA7B4QCGNSWX7PHMFA52IHC

not attested not anchored not stored refs pending

New general parametrization of quintessence fields and its observational constraints

Alma X. Gonzalez-Morales, L. Arturo Urena-Lopez, Nandan Roy

arxiv:1803.09204 v2 · 2018-03-25 · gr-qc · astro-ph.CO · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SALCA7B4QCGNSWX7PHMFA52IHC}

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	2026-05-18T00:01:29.941196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9016207c3c808cd95aff79d850774838891418170e045f16235f5b99e8993a2c

Aliases

arxiv: 1803.09204 · arxiv_version: 1803.09204v2 · doi: 10.48550/arxiv.1803.09204 · pith_short_12: SALCA7B4QCGN · pith_short_16: SALCA7B4QCGNSWX7 · pith_short_8: SALCA7B4

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/SALCA7B4QCGNSWX7PHMFA52IHC \
  | 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: 9016207c3c808cd95aff79d850774838891418170e045f16235f5b99e8993a2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc1878f253a1c0a196a2397138b177638066549605f31428a7a0ad4d913bafb4",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-03-25T05:13:35Z",
    "title_canon_sha256": "20459b773e90471319c80385d470e7fa517ab10b55b91976876d6939f2d15cad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09204",
    "kind": "arxiv",
    "version": 2
  }
}