Pith Number

pith:H2BNMMQE

pith:2016:H2BNMMQEO4IU6ULZ5CVW66NL5S

not attested not anchored not stored refs pending

A Study on the Expanding Universe Based on a Model of the Time Variation of its Matter Content in the Framework of Brans-Dicke Theory

Argho Aranya Sangma, Dibyajyoti Laha, Indrani Pal, Sudipto Roy

arxiv:1605.06021 v1 · 2016-05-13 · 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{H2BNMMQEO4IU6ULZ5CVW66NL5S}

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	2026-05-18T00:31:22.646169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e82d6320477114f5179e8ab6f79abec80485e957d5193c868ccfa52c0a1bc77

Aliases

arxiv: 1605.06021 · arxiv_version: 1605.06021v1 · doi: 10.48550/arxiv.1605.06021 · pith_short_12: H2BNMMQEO4IU · pith_short_16: H2BNMMQEO4IU6ULZ · pith_short_8: H2BNMMQE

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/H2BNMMQEO4IU6ULZ5CVW66NL5S \
  | 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: 3e82d6320477114f5179e8ab6f79abec80485e957d5193c868ccfa52c0a1bc77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f01e5d125661d85edcf6038e8f8958402f34115379d23432cf92e95e7964a68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-05-13T20:44:13Z",
    "title_canon_sha256": "63169b701926a188818bfa6a2b08be1b17ee47b6563530cce6525e33c1dfe632"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06021",
    "kind": "arxiv",
    "version": 1
  }
}