Pith Number

pith:3BDHJD7H

pith:2026:3BDHJD7HINPKK3QX6KV2FERA4J

not attested not anchored not stored refs pending

A hybrid method for reconstruction of the equation of state of dark energy and its application to Pantheon+SH0ES data

Gawain Simpson, Krzysztof Bolejko, Stephen Walters

arxiv:2606.25315 v1 · 2026-06-24 · astro-ph.CO · 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{3BDHJD7HINPKK3QX6KV2FERA4J}

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	2026-06-25T01:18:01.829680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d846748fe7435ea56e17f2aba29220e268d71f9059f8b62ea14baa79ceffd020

Aliases

arxiv: 2606.25315 · arxiv_version: 2606.25315v1 · doi: 10.48550/arxiv.2606.25315 · pith_short_12: 3BDHJD7HINPK · pith_short_16: 3BDHJD7HINPKK3QX · pith_short_8: 3BDHJD7H

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/3BDHJD7HINPKK3QX6KV2FERA4J \
  | 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: d846748fe7435ea56e17f2aba29220e268d71f9059f8b62ea14baa79ceffd020

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "171e32adeeb417ef7bde017d0107a2ddc5785bd18b384d382dfedd5430fa23ae",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-06-24T02:27:56Z",
    "title_canon_sha256": "d75a96ad4d203326d77276bb6791152bea0f2d262e8d91fbf92c85d21185683a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25315",
    "kind": "arxiv",
    "version": 1
  }
}