Pith Number

pith:GDCWGGCW

pith:2015:GDCWGGCW7ASKHD26NEHF5FYV53

not attested not anchored not stored refs pending

A divergence free parametrization of deceleration parameter for scalar field dark energy

Abdulla Al Mamon, Sudipta Das

arxiv:1507.00531 v2 · 2015-07-02 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GDCWGGCW7ASKHD26NEHF5FYV53}

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	2026-05-18T00:48:20.673093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30c5631856f824a38f5e690e5e9715eee7c40cec89b85a68000374ef260598eb

Aliases

arxiv: 1507.00531 · arxiv_version: 1507.00531v2 · doi: 10.48550/arxiv.1507.00531 · pith_short_12: GDCWGGCW7ASK · pith_short_16: GDCWGGCW7ASKHD26 · pith_short_8: GDCWGGCW

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/GDCWGGCW7ASKHD26NEHF5FYV53 \
  | 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: 30c5631856f824a38f5e690e5e9715eee7c40cec89b85a68000374ef260598eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f8e831f41602c27397746bed0518b58e065d60c5b7e6bd2102cf273768f4249",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-07-02T11:32:45Z",
    "title_canon_sha256": "4fb81de8f25d2858464e41af5f5091074da3b37f2b67385cf3f83432418b7cc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00531",
    "kind": "arxiv",
    "version": 2
  }
}