Pith Number

pith:RGZFPR4H

pith:2019:RGZFPR4HQ2456OYKG42HZ3VGUU

not attested not anchored not stored refs pending

Ultracompact minihalos associated with stellar-mass primordial black holes

Joseph Silk, Kazunori Kohri, Tomohiro Nakama

arxiv:1905.04477 v2 · 2019-05-11 · 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{RGZFPR4HQ2456OYKG42HZ3VGUU}

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	2026-05-17T23:42:02.200771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89b257c78786b9df3b0a37347ceea6a5350e8381823045992264e5d6160c6040

Aliases

arxiv: 1905.04477 · arxiv_version: 1905.04477v2 · doi: 10.48550/arxiv.1905.04477 · pith_short_12: RGZFPR4HQ245 · pith_short_16: RGZFPR4HQ2456OYK · pith_short_8: RGZFPR4H

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/RGZFPR4HQ2456OYKG42HZ3VGUU \
  | 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: 89b257c78786b9df3b0a37347ceea6a5350e8381823045992264e5d6160c6040

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0832dd3abceabf6bed7a14b1c7ab54d05d997164fcb71f36e52f1584e9b9cbd5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-05-11T08:17:18Z",
    "title_canon_sha256": "a574061ef30980edaf78039fe94086c75cd01e3ddfb8ed03a5be6b480cb34b27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.04477",
    "kind": "arxiv",
    "version": 2
  }
}