Pith Number

pith:DHY6ZC53

pith:2019:DHY6ZC536NC4T7EV27GJQPT6KU

not attested not anchored not stored refs pending

Primordial black holes as a dark matter candidate are severely constrained by the Galactic Center 511 keV gamma-ray line

Ranjan Laha

arxiv:1906.09994 v2 · 2019-06-24 · astro-ph.HE · astro-ph.CO · 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{DHY6ZC536NC4T7EV27GJQPT6KU}

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

11 papers in Pith

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

Limits on primordial black holes from the extragalactic gamma-ray background; current status and future projections

Electromagnetic Signatures From Primordial Black Holes in the Solar System

Primordial Black Holes as Dark Matter: Recent Developments

Receipt and verification

First computed	2026-07-05T00:26:23.807065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19f1ec8bbbf345c9fc95d7cc983e7e55170a809db865f4240ab122cbd28c0ec0

Aliases

arxiv: 1906.09994 · arxiv_version: 1906.09994v2 · doi: 10.48550/arxiv.1906.09994 · pith_short_12: DHY6ZC536NC4 · pith_short_16: DHY6ZC536NC4T7EV · pith_short_8: DHY6ZC53

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/DHY6ZC536NC4T7EV27GJQPT6KU \
  | 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: 19f1ec8bbbf345c9fc95d7cc983e7e55170a809db865f4240ab122cbd28c0ec0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6ef38de5e546d8ef919b6c6777dada3f54b903c4a04f12ca928a9027c2a741d",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-06-24T14:31:02Z",
    "title_canon_sha256": "208e59ba0488470ab91991a390fac0680424371517f6e2792cacab2462fe5fe4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.09994",
    "kind": "arxiv",
    "version": 2
  }
}