Pith Number

pith:UBIZFWJV

pith:2020:UBIZFWJVLP76RIR35BOC2GSCOK

not attested not anchored not stored refs pending

Limits on primordial magnetic fields from primordial black hole abundance

Hiroyuki Tashiro, Shohei Saga, Shuichiro Yokoyama

arxiv:2002.01286 v2 · 2020-02-04 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UBIZFWJVLP76RIR35BOC2GSCOK}

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

Primordial Black Holes from Vector-Induced Curvature Perturbations Sourced by Primordial Magnetic Fields

The Magnetic Origin of Primordial Black Holes: Ultralight PBHs and Secondary GWs

Receipt and verification

First computed	2026-07-05T01:06:09.854542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a05192d9355bffe8a23be85c2d1a427290d1316b25e0f77f443a2116a2fa4e40

Aliases

arxiv: 2002.01286 · arxiv_version: 2002.01286v2 · doi: 10.48550/arxiv.2002.01286 · pith_short_12: UBIZFWJVLP76 · pith_short_16: UBIZFWJVLP76RIR3 · pith_short_8: UBIZFWJV

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/UBIZFWJVLP76RIR35BOC2GSCOK \
  | 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: a05192d9355bffe8a23be85c2d1a427290d1316b25e0f77f443a2116a2fa4e40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f39658487d3d87565f98888a13a4568c6454f1e1e6ddce8ceedfb01418d4fe3",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-02-04T13:55:29Z",
    "title_canon_sha256": "8baab6f5118546e909761575cc87a1d31914cf1f283eb45731fe84824c9b754c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.01286",
    "kind": "arxiv",
    "version": 2
  }
}