Pith Number

pith:6NGXJVSR

pith:2019:6NGXJVSRK25F557R5H3GYRN3CH

not attested not anchored not stored refs pending

Late universe decaying dark matter can relieve the H_0 tension

Abraham Loeb (Harvard), Kyriakos Vattis, Savvas M. Koushiappas (Brown)

arxiv:1903.06220 v2 · 2019-03-14 · astro-ph.CO · 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{6NGXJVSRK25F557R5H3GYRN3CH}

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	2026-05-17T23:43:02.963692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f34d74d65156ba5ef7f1e9f66c45bb11cf73ca717dbf3a61d291a736da97bcdc

Aliases

arxiv: 1903.06220 · arxiv_version: 1903.06220v2 · doi: 10.48550/arxiv.1903.06220 · pith_short_12: 6NGXJVSRK25F · pith_short_16: 6NGXJVSRK25F557R · pith_short_8: 6NGXJVSR

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/6NGXJVSRK25F557R5H3GYRN3CH \
  | 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: f34d74d65156ba5ef7f1e9f66c45bb11cf73ca717dbf3a61d291a736da97bcdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17556070aaa4d699c6a6bcabcc578297c88ae70fbbc3671c83986f801bb517df",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-03-14T18:57:42Z",
    "title_canon_sha256": "b717992a5a6aa4936813895e7b96b3e3f955f8ecbaa4073775d8d1fab439dfcc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06220",
    "kind": "arxiv",
    "version": 2
  }
}