Pith Number

pith:7PKRQ52A

pith:2015:7PKRQ52A55ES7STAXQ4L5L2YXU

not attested not anchored not stored refs pending

Supermassive dark-matter Q-balls in galactic centers?

Sergey Troitsky

arxiv:1510.07132 v2 · 2015-10-24 · hep-ph · astro-ph.GA · 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{7PKRQ52A55ES7STAXQ4L5L2YXU}

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	2026-05-18T00:59:26.429513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbd5187740ef492fca60bc38beaf58bd3b4b9223be43900d7951230fb674a558

Aliases

arxiv: 1510.07132 · arxiv_version: 1510.07132v2 · doi: 10.48550/arxiv.1510.07132 · pith_short_12: 7PKRQ52A55ES · pith_short_16: 7PKRQ52A55ES7STA · pith_short_8: 7PKRQ52A

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/7PKRQ52A55ES7STAXQ4L5L2YXU \
  | 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: fbd5187740ef492fca60bc38beaf58bd3b4b9223be43900d7951230fb674a558

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4657d0f75652a2ec85a4ea8809f2797ba15702bb56bc4fa2b3eb5a7f7b7544e8",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2015-10-24T11:43:20Z",
    "title_canon_sha256": "b1e10ab9b7ffc19f480ee7939032a9ba1862d001b3faa47b26855de28ef20d5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07132",
    "kind": "arxiv",
    "version": 2
  }
}