Pith Number

pith:IIKJNZYI

pith:2018:IIKJNZYILKXPWMXVMCLFLVBAYA

not attested not anchored not stored refs pending

Severely Constraining Dark Matter Interpretations of the 21-cm Anomaly

Asher Berlin, Dan Hooper, Gordan Krnjaic, Samuel D. McDermott

arxiv:1803.02804 v1 · 2018-03-07 · hep-ph · astro-ph.CO · astro-ph.GA · astro-ph.HE · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IIKJNZYILKXPWMXVMCLFLVBAYA}

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

3 papers in Pith

Letter of Intent: The Forward Physics Facility

Data-Driven Predictions for Dark Photon and Millicharged Particle Production

Underground Production of Electromagnetic Dark States by MeV-scale Electron Beams and Detection with CCDs

Receipt and verification

First computed	2026-05-18T00:11:05.861613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

421496e7085aaefb32f5609655d420c013bb57154a82909d35af1a32ef9fd462

Aliases

arxiv: 1803.02804 · arxiv_version: 1803.02804v1 · doi: 10.48550/arxiv.1803.02804 · pith_short_12: IIKJNZYILKXP · pith_short_16: IIKJNZYILKXPWMXV · pith_short_8: IIKJNZYI

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/IIKJNZYILKXPWMXVMCLFLVBAYA \
  | 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: 421496e7085aaefb32f5609655d420c013bb57154a82909d35af1a32ef9fd462

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a092641d55fc15a4359191d2ef415bf7c6877a2b3c90294f658a6c4a411d72c",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "astro-ph.HE",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2018-03-07T18:30:39Z",
    "title_canon_sha256": "ba22fcfa764fcbfd6ec970889567886a4cf7d9f914ceff2df6b88ef8f8bcc311"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02804",
    "kind": "arxiv",
    "version": 1
  }
}