Pith Number

pith:WHBCK7VC

pith:2023:WHBCK7VCOUX66YSA4LAMJPYEHM

not attested not anchored not stored refs pending

Constraints on primordial black holes for nonstandard cosmologies

Encieh Erfani, Juan Carlos Hidalgo, Luis E. Padilla, Tadeo D. Gomez-Aguilar

arxiv:2308.04642 v2 · 2023-08-09 · 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{WHBCK7VCOUX66YSA4LAMJPYEHM}

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	2026-07-05T09:35:06.329906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1c2257ea2752fef6240e2c0c4bf043b1794ead060def8fdda53cd12eabfa6bc

Aliases

arxiv: 2308.04642 · arxiv_version: 2308.04642v2 · doi: 10.48550/arxiv.2308.04642 · pith_short_12: WHBCK7VCOUX6 · pith_short_16: WHBCK7VCOUX66YSA · pith_short_8: WHBCK7VC

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/WHBCK7VCOUX66YSA4LAMJPYEHM \
  | 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: b1c2257ea2752fef6240e2c0c4bf043b1794ead060def8fdda53cd12eabfa6bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e16a510f916f9b7740245e93df52d7eb60cdf8225c82e2f4bf0e7aa305cea699",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-08-09T00:53:42Z",
    "title_canon_sha256": "9f55bfb71c4ffb8b5b3f9cbed8536751f4b29e972c6eba6251aaa6fe0c073931"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.04642",
    "kind": "arxiv",
    "version": 2
  }
}