Pith Number

pith:CD4FSUH5

pith:2025:CD4FSUH5C7V6EF5G7CQS6ECZUM

not attested not anchored not stored refs pending

An Accelerating Flat FLRW Model with Observation Constraints and Dynamic $\Lambda$

Anirudh Pradhan, G. K. Goswami

arxiv:2504.17798 v1 · 2025-04-17 · physics.gen-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CD4FSUH5C7V6EF5G7CQS6ECZUM}

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	2026-07-05T10:53:55.980090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10f85950fd17ebe217a6f8a12f1059a30eb1c0134e4eb6b34571d1ddcf42b1e4

Aliases

arxiv: 2504.17798 · arxiv_version: 2504.17798v1 · doi: 10.48550/arxiv.2504.17798 · pith_short_12: CD4FSUH5C7V6 · pith_short_16: CD4FSUH5C7V6EF5G · pith_short_8: CD4FSUH5

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/CD4FSUH5C7V6EF5G7CQS6ECZUM \
  | 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: 10f85950fd17ebe217a6f8a12f1059a30eb1c0134e4eb6b34571d1ddcf42b1e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "952d3e42fb106d0527c992d239c0e937da69cef49fb8cdfddd685844e082b46d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2025-04-17T04:27:38Z",
    "title_canon_sha256": "c7d6fb019d913b18a4f992da871689074e6ebbd20b30fe90114d688e2a0b6643"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17798",
    "kind": "arxiv",
    "version": 1
  }
}