Pith Number

pith:AYCZ6FAD

pith:2025:AYCZ6FADFAB36YYTOEQA5JGHG2

not attested not anchored not stored refs pending

Galactic Spacetime Solutions with a Varying Newton's Coupling

Rounak Chakraborty, Sandipan Sengupta

arxiv:2505.04060 v1 · 2025-05-07 · gr-qc · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AYCZ6FADFAB36YYTOEQA5JGHG2}

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	2026-07-05T10:59:35.792068Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06059f14032803bf631371200ea4c736891f0edaac9b0d613a115ca51986fe06

Aliases

arxiv: 2505.04060 · arxiv_version: 2505.04060v1 · doi: 10.48550/arxiv.2505.04060 · pith_short_12: AYCZ6FADFAB3 · pith_short_16: AYCZ6FADFAB36YYT · pith_short_8: AYCZ6FAD

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/AYCZ6FADFAB36YYTOEQA5JGHG2 \
  | 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: 06059f14032803bf631371200ea4c736891f0edaac9b0d613a115ca51986fe06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40231e114ce5699af0f7ffeee549ab552fd3fd6d2b998d12b8bb2b4e37f06945",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-05-07T02:05:14Z",
    "title_canon_sha256": "625dd9e07fab23ac8cd7dcf7478d76e443e0dfcfcaf3738c50f99e2ec41c142c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.04060",
    "kind": "arxiv",
    "version": 1
  }
}