Pith Number

pith:IHWXSO4R

pith:2021:IHWXSO4RUZMPM3G4PYH6HVRYBB

not attested not anchored not stored refs pending

Constraining primordial black holes as dark matter using the global 21-cm signal with X-ray heating and excess radio background

Anupam Ray (TIFR), Basudeb Dasgupta (TIFR), Girish Kulkarni (TIFR), Shikhar Mittal (TIFR)

arxiv:2107.02190 v2 · 2021-07-05 · astro-ph.CO · astro-ph.HE · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IHWXSO4RUZMPM3G4PYH6HVRYBB}

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

7 papers in Pith

Primordial Black Holes: A Review of Formation and Evolution

Lattice study of primordial black hole formation in bumpy axion inflation

$\tt BlackHawk$ $\tt v3.0$: Hawking Radiation from Regular Black Holes

Constraints on Primordial Black Holes from Galactic Diffuse Synchrotron Emissions

Primordial black holes as cosmic accelerators of light dark matter: Novel direct detection constraints

Receipt and verification

First computed	2026-07-05T04:05:32.441620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41ed793b91a658f66cdc7e0fe3d638087f766d0bcc5b864aed0a3bd31dd49d53

Aliases

arxiv: 2107.02190 · arxiv_version: 2107.02190v2 · doi: 10.48550/arxiv.2107.02190 · pith_short_12: IHWXSO4RUZMP · pith_short_16: IHWXSO4RUZMPM3G4 · pith_short_8: IHWXSO4R

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/IHWXSO4RUZMPM3G4PYH6HVRYBB \
  | 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: 41ed793b91a658f66cdc7e0fe3d638087f766d0bcc5b864aed0a3bd31dd49d53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e9f3c4cdef6905297b2ad315b788753cc5f1a75aec6a092147c0d885f0178d3",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-07-05T18:00:09Z",
    "title_canon_sha256": "d88fdf1660e97885798c9d87f87d9f92eb6e9a476b6ce8f2f8adea6cad4c2932"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.02190",
    "kind": "arxiv",
    "version": 2
  }
}