Pith Number

pith:NKUYDAR6

pith:2025:NKUYDAR67VOODI33GNGP5LB367

not attested not anchored not stored refs pending

Topological dark energy from spacetime foam: A challenge for $\Lambda$CDM

Emmanuel N. Saridakis, Fotios K. Anagnostopoulos, Stylianos A. Tsilioukas

arxiv:2507.18389 v1 · 2025-07-24 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NKUYDAR67VOODI33GNGP5LB367}

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	2026-07-05T11:42:47.276041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6aa981823efd5ce1a37b334cfeac3bf7ed8a20145700092cc9a787eb62527965

Aliases

arxiv: 2507.18389 · arxiv_version: 2507.18389v1 · doi: 10.48550/arxiv.2507.18389 · pith_short_12: NKUYDAR67VOO · pith_short_16: NKUYDAR67VOODI33 · pith_short_8: NKUYDAR6

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/NKUYDAR67VOODI33GNGP5LB367 \
  | 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: 6aa981823efd5ce1a37b334cfeac3bf7ed8a20145700092cc9a787eb62527965

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48ea5e02f6e1dd97816b1ca11edaa8f5bef900effa923379a1e276e9f6650383",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-07-24T13:08:33Z",
    "title_canon_sha256": "a8169e056356f22988055616c99abd97032cebfa4cd0caadf981c0031a38672f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.18389",
    "kind": "arxiv",
    "version": 1
  }
}