pith. sign in
Pith Number

pith:P4DFYPWW

pith:2016:P4DFYPWWWT7LF2FKTBSKEZKAC7
not attested not anchored not stored refs pending

A Study of Cosmic Expansion Generated by Non-conservation of Matter in the Framework of Brans-Dicke Theory

Mohsin Islam, Sudipto Roy

arxiv:1604.08039 v1 · 2016-04-25 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{P4DFYPWWWT7LF2FKTBSKEZKAC7}

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 2026-05-18T00:31:22.659092Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7f065c3ed6b4feb2e8aa9864a2654017e0fa0a40321b30da7931c97d178fde42

Aliases

arxiv: 1604.08039 · arxiv_version: 1604.08039v1 · doi: 10.48550/arxiv.1604.08039 · pith_short_12: P4DFYPWWWT7L · pith_short_16: P4DFYPWWWT7LF2FK · pith_short_8: P4DFYPWW
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/P4DFYPWWWT7LF2FKTBSKEZKAC7 \
  | 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: 7f065c3ed6b4feb2e8aa9864a2654017e0fa0a40321b30da7931c97d178fde42
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4f38274f292206a8a20bf5a2ac4f412f5d588d5039101fe7ac203ff97e8e1b95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-04-25T20:00:11Z",
    "title_canon_sha256": "bbcaded3c20b68386279095417dcf8b7a7e90ad9cf280ef24ecaa0bb9b625483"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.08039",
    "kind": "arxiv",
    "version": 1
  }
}