Pith Number

pith:6D44IXFM

pith:2025:6D44IXFMUE5NQFY6GWK5PR46VF

not attested not anchored not stored refs pending

The limits of cosmology

Joseph Silk

arxiv:2509.08066 v1 · 2025-09-09 · 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{6D44IXFMUE5NQFY6GWK5PR46VF}

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.

Cited by

2 papers in Pith

Electromagnetic Signatures From Primordial Black Holes in the Solar System

Receipt and verification

First computed	2026-07-05T12:08:21.715034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0f9c45caca13ad8171e3595d7c79ea97affa2e3cf2f384593d5b81063d7a916

Aliases

arxiv: 2509.08066 · arxiv_version: 2509.08066v1 · doi: 10.48550/arxiv.2509.08066 · pith_short_12: 6D44IXFMUE5N · pith_short_16: 6D44IXFMUE5NQFY6 · pith_short_8: 6D44IXFM

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/6D44IXFMUE5NQFY6GWK5PR46VF \
  | 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: f0f9c45caca13ad8171e3595d7c79ea97affa2e3cf2f384593d5b81063d7a916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2187ba176ba64d72524b40ac5bf5617a9adae9216dbcd3c56c1a4216bbda6293",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-09-09T18:07:22Z",
    "title_canon_sha256": "25549d550cb4d414999a2caefde4a14beb7a7f15b18ddea9022df4dd34880646"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.08066",
    "kind": "arxiv",
    "version": 1
  }
}