Pith Number

pith:SIZYSAYS

pith:2018:SIZYSAYSSNLQYWDVGH6WT7XR7O

not attested not anchored not stored refs pending

Stable contraction in Brans-Dicke cosmology

Debottam Nandi

arxiv:1811.09625 v2 · 2018-11-23 · 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{SIZYSAYSSNLQYWDVGH6WT7XR7O}

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

Einstein or Jordan: seeking answers from the reheating constraints

Receipt and verification

First computed	2026-05-17T23:45:15.182799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

923389031293570c587531fd69fef1fbb63878b3108a68dfd52194ac7362c28f

Aliases

arxiv: 1811.09625 · arxiv_version: 1811.09625v2 · doi: 10.48550/arxiv.1811.09625 · pith_short_12: SIZYSAYSSNLQ · pith_short_16: SIZYSAYSSNLQYWDV · pith_short_8: SIZYSAYS

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/SIZYSAYSSNLQYWDVGH6WT7XR7O \
  | 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: 923389031293570c587531fd69fef1fbb63878b3108a68dfd52194ac7362c28f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "478557578917927299c124ca34e5bd3dc6dd9ca7264f90ee63b20dfd7c22cc9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-11-23T10:08:28Z",
    "title_canon_sha256": "82513ba27e7f78e4b99eb054ea74c57ad4a5b24e2e9a4fdb9ca3d5c71b70ef53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09625",
    "kind": "arxiv",
    "version": 2
  }
}