Pith Number

pith:K4WVNC7Y

pith:2025:K4WVNC7YUNA2U7TJUXCFY6NQYB

not attested not anchored not stored refs pending

Future Dark Energy Constraints from Atomic Clocks

Oem Trivedi

arxiv:2512.16804 v1 · 2025-12-18 · astro-ph.CO · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K4WVNC7YUNA2U7TJUXCFY6NQYB}

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	2026-08-03T01:12:18.732065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

572d568bf8a341aa7e69a5c45c79b0c0702450de7f8ba1785393e6605be4ceba

Aliases

arxiv: 2512.16804 · arxiv_version: 2512.16804v1 · doi: 10.48550/arxiv.2512.16804 · pith_short_12: K4WVNC7YUNA2 · pith_short_16: K4WVNC7YUNA2U7TJ · pith_short_8: K4WVNC7Y

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/K4WVNC7YUNA2U7TJUXCFY6NQYB \
  | 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: 572d568bf8a341aa7e69a5c45c79b0c0702450de7f8ba1785393e6605be4ceba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fb8595ed6ad2dd0cc466bacee74c8c071d670a19abfbb46167f4f78b8fa1806",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-12-18T17:35:57Z",
    "title_canon_sha256": "4454aba5e4bd11affe59a266688bed8df7f8c0ca57d28fc7f03f300e77c0e5df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.16804",
    "kind": "arxiv",
    "version": 1
  }
}