Pith Number

pith:OIQ5IHNU

pith:2025:OIQ5IHNUP7Q62ZIP54RHMO2KSV

not attested not anchored not stored refs pending

Forecasting 21-cm power spectrum sensitivity to dark Matter-baryon scattering

Aryan Rahimieh, Priyank Parashari, Vera Gluscevic

arxiv:2508.20507 v1 · 2025-08-28 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OIQ5IHNUP7Q62ZIP54RHMO2KSV}

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	2026-07-05T12:00:53.730794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7221d41db47fe1ed650fef22763b4a95610575ad42c66f93fc2ba5fe12cf255c

Aliases

arxiv: 2508.20507 · arxiv_version: 2508.20507v1 · doi: 10.48550/arxiv.2508.20507 · pith_short_12: OIQ5IHNUP7Q6 · pith_short_16: OIQ5IHNUP7Q62ZIP · pith_short_8: OIQ5IHNU

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/OIQ5IHNUP7Q62ZIP54RHMO2KSV \
  | 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: 7221d41db47fe1ed650fef22763b4a95610575ad42c66f93fc2ba5fe12cf255c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e94b82f3d97afbdae27960ff7c8ae6bdbc484e2c654be64f2f9ce54a8394e95",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-08-28T07:48:07Z",
    "title_canon_sha256": "8da84b590b53e91eccef9c0fa43ff2d4bea5e5c142edfae54019015097755e9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.20507",
    "kind": "arxiv",
    "version": 1
  }
}