Pith Number

pith:MCVXJ4S2

pith:2019:MCVXJ4S2AIJR7NM5GLS5ATXGO7

not attested not anchored not stored refs pending

Super-Eddington growth of black holes in the early Universe: effects of disk radiation spectra

Eishun Takeo, Hiroyuki R. Takahashi, Ken Ohsuga, Kohei Inayoshi, Shin Mineshige

arxiv:1901.04514 v2 · 2019-01-14 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MCVXJ4S2AIJR7NM5GLS5ATXGO7}

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	2026-05-17T23:39:25.083772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60ab74f25a02131fb59d32e5d04ee677fcf2940ec472b7c6582b5fea07c5851a

Aliases

arxiv: 1901.04514 · arxiv_version: 1901.04514v2 · doi: 10.48550/arxiv.1901.04514 · pith_short_12: MCVXJ4S2AIJR · pith_short_16: MCVXJ4S2AIJR7NM5 · pith_short_8: MCVXJ4S2

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/MCVXJ4S2AIJR7NM5GLS5ATXGO7 \
  | 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: 60ab74f25a02131fb59d32e5d04ee677fcf2940ec472b7c6582b5fea07c5851a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50ce65ad8382a56512fff2f923c1d37d7f88261502cf3a2c189953114ec21c8e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-01-14T19:00:13Z",
    "title_canon_sha256": "4836ea46630cc60622d551137650e92e238c1552fa4140357677f89be80f9f75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04514",
    "kind": "arxiv",
    "version": 2
  }
}