Pith Number

pith:ZO5FLTRO

pith:2025:ZO5FLTROFKVIXAVZC37ICZKADL

not attested not anchored not stored refs pending

Observational Constraints on a Spinor Field Generalized Chaplygin Gas Model in a Spherically Symmetric FLRW Spacetime

Bijan Saha, Mahendra Goray

arxiv:2509.09733 v1 · 2025-09-10 · 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{ZO5FLTROFKVIXAVZC37ICZKADL}

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	2026-07-05T12:09:48.262971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbba55ce2e2aaa8b82b916fe8165401afb76aeb09343d4b2f96a88f868ff219d

Aliases

arxiv: 2509.09733 · arxiv_version: 2509.09733v1 · doi: 10.48550/arxiv.2509.09733 · pith_short_12: ZO5FLTROFKVI · pith_short_16: ZO5FLTROFKVIXAVZ · pith_short_8: ZO5FLTRO

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/ZO5FLTROFKVIXAVZC37ICZKADL \
  | 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: cbba55ce2e2aaa8b82b916fe8165401afb76aeb09343d4b2f96a88f868ff219d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63b1471e5ef161c6f2b7a317a0494bad44e62595674fc990bd139c569dc85ab4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-09-10T13:58:52Z",
    "title_canon_sha256": "bf5528dd9d99e4ee13ba4fd24c649ce684f6f9eff80a5067bb56124a98e268ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.09733",
    "kind": "arxiv",
    "version": 1
  }
}