Pith Number

pith:7YTYEHT5

pith:2026:7YTYEHT5RJ7EOVC2GBD7F4HBQZ

not attested not anchored not stored refs pending

Strongest constraints on dark acoustic oscillations from the Lyman-alpha forest

Caleb Gemmell, David Curtin, Jared Barron, Keir K. Rogers, Norman Murray, Sandip Roy, Zhihan Yuan

arxiv:2606.28482 v1 · 2026-06-26 · astro-ph.CO · hep-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{7YTYEHT5RJ7EOVC2GBD7F4HBQZ}

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	2026-06-30T00:15:15.532060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe27821e7d8a7e47545a3047f2f0e1867ffeadb0fb63a42e887ce7b29ea9d9fd

Aliases

arxiv: 2606.28482 · arxiv_version: 2606.28482v1 · doi: 10.48550/arxiv.2606.28482 · pith_short_12: 7YTYEHT5RJ7E · pith_short_16: 7YTYEHT5RJ7EOVC2 · pith_short_8: 7YTYEHT5

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/7YTYEHT5RJ7EOVC2GBD7F4HBQZ \
  | 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: fe27821e7d8a7e47545a3047f2f0e1867ffeadb0fb63a42e887ce7b29ea9d9fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5c122476b2588a621a1e85949dc6a2b93b56f8db309c8de1f46a2bdafa93b79",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-06-26T18:00:00Z",
    "title_canon_sha256": "e4358a9f2fe361518bff5e72735044632f920486415b6744ff686264d0819fe7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28482",
    "kind": "arxiv",
    "version": 1
  }
}