Pith Number

pith:HSWBVEGH

pith:2016:HSWBVEGHFBTAPJ7IHF3GDTIPDK

not attested not anchored not stored refs pending

Hidden Sector Hydrogen as Dark Matter: Small-scale Structure Formation Predictions and the Importance of Hyperfine Interactions

Anna Kwa, Annika H. G. Peter, Kimberly K. Boddy, Manoj Kaplinghat

arxiv:1609.03592 v2 · 2016-09-12 · hep-ph · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HSWBVEGHFBTAPJ7IHF3GDTIPDK}

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	2026-05-18T00:53:07.503295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cac1a90c7286607a7e8397661cd0f1a962f158602f358ca52f9dd16b8c0e128

Aliases

arxiv: 1609.03592 · arxiv_version: 1609.03592v2 · doi: 10.48550/arxiv.1609.03592 · pith_short_12: HSWBVEGHFBTA · pith_short_16: HSWBVEGHFBTAPJ7I · pith_short_8: HSWBVEGH

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/HSWBVEGHFBTAPJ7IHF3GDTIPDK \
  | 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: 3cac1a90c7286607a7e8397661cd0f1a962f158602f358ca52f9dd16b8c0e128

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31129f251a62426e2a721ea074b3d73564fad07b49a7fc98ea5f46d024216481",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2016-09-12T20:24:05Z",
    "title_canon_sha256": "41b2428e2500530a67a2940c8482fdb9a89d5697bd240f3e68f439ca4fa7e3c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03592",
    "kind": "arxiv",
    "version": 2
  }
}