Pith Number

pith:4WYYSLAK

pith:2025:4WYYSLAKADSCJQK2XNXAKOAY4X

not attested not anchored not stored refs pending

Cosmology with Distinct Functions $f$ of the Non-metricity Scalar $Q$ : A Dynamical System Approach

Promila Biswas, Ritabrata Biswas, Satyajit Pal, Subhajit Pal

arxiv:2506.21646 v1 · 2025-06-26 · 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{4WYYSLAKADSCJQK2XNXAKOAY4X}

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	2026-07-05T11:27:57.930709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5b1892c0a00e424c15abb6e053818e5f0e7c97fd9c9bb4eb895339375e6c109

Aliases

arxiv: 2506.21646 · arxiv_version: 2506.21646v1 · doi: 10.48550/arxiv.2506.21646 · pith_short_12: 4WYYSLAKADSC · pith_short_16: 4WYYSLAKADSCJQK2 · pith_short_8: 4WYYSLAK

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/4WYYSLAKADSCJQK2XNXAKOAY4X \
  | 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: e5b1892c0a00e424c15abb6e053818e5f0e7c97fd9c9bb4eb895339375e6c109

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55affa5918762705dcf46da3f42b12022d7d634770e9cd3763a9f9300444d0ba",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-06-26T07:34:05Z",
    "title_canon_sha256": "3e568ac3f46be39886ab46b8b3b4ed4e2490864f9f5799ce52419b1b45389e29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.21646",
    "kind": "arxiv",
    "version": 1
  }
}