Pith Number

pith:4QGMZUI6

pith:2025:4QGMZUI6JISH72NSPBZCMWIHCO

not attested not anchored not stored refs pending

Inhomogeneous model with a space dependent Cosmological Constant

D. Comelli

arxiv:2501.07968 v1 · 2025-01-14 · 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{4QGMZUI6JISH72NSPBZCMWIHCO}

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	2026-07-05T10:00:53.107209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e40cccd11e4a247fe9b2787226590713ae1bf9e18b59576eedefe278dcda7ee8

Aliases

arxiv: 2501.07968 · arxiv_version: 2501.07968v1 · doi: 10.48550/arxiv.2501.07968 · pith_short_12: 4QGMZUI6JISH · pith_short_16: 4QGMZUI6JISH72NS · pith_short_8: 4QGMZUI6

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/4QGMZUI6JISH72NSPBZCMWIHCO \
  | 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: e40cccd11e4a247fe9b2787226590713ae1bf9e18b59576eedefe278dcda7ee8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7ecbe7ba9bc615a89aa1e831cb7b113b3e97951aac351577e9c9c877b4eb6ef",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-01-14T09:37:23Z",
    "title_canon_sha256": "01d1cef75fbb65bc3009bdd891ca1427894a8a16c52becd026890451f769d10f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.07968",
    "kind": "arxiv",
    "version": 1
  }
}