Pith Number

pith:6SAOPTLE

pith:2025:6SAOPTLEUYJRSUYUAMVLKDPD6N

not attested not anchored not stored refs pending

Probing initial isocurvature perturbation with 21cm one-point statistics

Hayato Shimabukuro, Zhenfei Qin

arxiv:2509.14751 v2 · 2025-09-18 · 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{6SAOPTLEUYJRSUYUAMVLKDPD6N}

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	2026-06-09T01:05:09.298744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f480e7cd64a613195314032ab50de3f35147019a90464f0c20847e0d35a44787

Aliases

arxiv: 2509.14751 · arxiv_version: 2509.14751v2 · doi: 10.48550/arxiv.2509.14751 · pith_short_12: 6SAOPTLEUYJR · pith_short_16: 6SAOPTLEUYJRSUYU · pith_short_8: 6SAOPTLE

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/6SAOPTLEUYJRSUYUAMVLKDPD6N \
  | 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: f480e7cd64a613195314032ab50de3f35147019a90464f0c20847e0d35a44787

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fa65e6b99cb8eae4f23ed299ce396ce7ca86617eed6e9a15e01639ec03e56b0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-09-18T08:54:47Z",
    "title_canon_sha256": "c7cebc4a95fddf3c64df61ed05203653a4b89cb57fa1676e5e5608ccbe74f8bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.14751",
    "kind": "arxiv",
    "version": 2
  }
}