Pith Number

pith:JRVFGF3W

pith:2019:JRVFGF3WK7WYSJ5IFSK3MLSR2S

not attested not anchored not stored refs pending

Early Cosmological Evolution of Primordial Electromagnetic Fields

Martin S. Sloth, Takeshi Kobayashi

arxiv:1903.02561 v2 · 2019-03-06 · astro-ph.CO · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JRVFGF3WK7WYSJ5IFSK3MLSR2S}

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

1 paper in Pith

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

Receipt and verification

First computed	2026-05-17T23:40:11.146593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c6a53177657ed8927a82c95b62e51d4a90f888790aaf8faf276c4ed9d1a2f82

Aliases

arxiv: 1903.02561 · arxiv_version: 1903.02561v2 · doi: 10.48550/arxiv.1903.02561 · pith_short_12: JRVFGF3WK7WY · pith_short_16: JRVFGF3WK7WYSJ5I · pith_short_8: JRVFGF3W

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/JRVFGF3WK7WYSJ5IFSK3MLSR2S \
  | 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: 4c6a53177657ed8927a82c95b62e51d4a90f888790aaf8faf276c4ed9d1a2f82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69e4cae372f581eeff0364a68e9e05476eb0438be1c76ed50ddec38c197ecaf8",
    "cross_cats_sorted": [
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-03-06T19:00:02Z",
    "title_canon_sha256": "bb873dbee047d090113d039dc741fa05af96d534025f7f0bfcdebab6f5d212c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02561",
    "kind": "arxiv",
    "version": 2
  }
}