Pith Number

pith:7HLLGS5R

pith:2015:7HLLGS5RYAM32FTD4HMMOMUEA5

not attested not anchored not stored refs pending

Can Superconducting Cosmic Strings Piercing Seed Black Holes Generate Supermassive Black Holes in the Early Universe?

Matthew J. Lake, Tiberiu Harko

arxiv:1505.01584 v5 · 2015-05-07 · astro-ph.CO · astro-ph.GA · gr-qc · 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{7HLLGS5RYAM32FTD4HMMOMUEA5}

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	2026-05-18T00:28:38.296386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9d6b34bb1c019bd1663e1d8c73284075642e442e265eb571af59a5680238240

Aliases

arxiv: 1505.01584 · arxiv_version: 1505.01584v5 · doi: 10.48550/arxiv.1505.01584 · pith_short_12: 7HLLGS5RYAM3 · pith_short_16: 7HLLGS5RYAM32FTD · pith_short_8: 7HLLGS5R

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/7HLLGS5RYAM32FTD4HMMOMUEA5 \
  | 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: f9d6b34bb1c019bd1663e1d8c73284075642e442e265eb571af59a5680238240

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c443c7e26e536c589388e270e2aa19d712f71399c3f798e267f9e84f13378d14",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-05-07T04:37:53Z",
    "title_canon_sha256": "9d37d6de3987e0425a50890816b490f2d935a8fd6dbb6451be52ba51f99d30c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01584",
    "kind": "arxiv",
    "version": 5
  }
}