Pith Number

pith:2WNWO5XD

pith:2019:2WNWO5XDQVTQSZSKSYNDLF5KDZ

not attested not anchored not stored refs pending

BBN constraints on the annihilation of MeV-scale dark matter

Kai Schmidt-Hoberg, Marco Hufnagel, Paul Frederik Depta, Sebastian Wild

arxiv:1901.06944 v2 · 2019-01-21 · hep-ph · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2WNWO5XDQVTQSZSKSYNDLF5KDZ}

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

2 papers in Pith

Primordial Black Holes Evaporating before Big Bang Nucleosynthesis

Irreducible Constraints on Hadronically Interacting Sub-GeV Dark Matter

Receipt and verification

First computed	2026-05-17T23:46:41.160882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d59b6776e3856709664a961a3597aa1e52ab8c173195db18e3f8eff44deca1f7

Aliases

arxiv: 1901.06944 · arxiv_version: 1901.06944v2 · doi: 10.48550/arxiv.1901.06944 · pith_short_12: 2WNWO5XDQVTQ · pith_short_16: 2WNWO5XDQVTQSZSK · pith_short_8: 2WNWO5XD

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/2WNWO5XDQVTQSZSKSYNDLF5KDZ \
  | 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: d59b6776e3856709664a961a3597aa1e52ab8c173195db18e3f8eff44deca1f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9880933265ca61edc9f25adc64dd048f9726f6f36d7451ed15dd648a70c9a8de",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2019-01-21T14:45:18Z",
    "title_canon_sha256": "7641e5658025aa8747bb97c293c893e1ef4e97e5c40970fbf9e437c279da2f26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06944",
    "kind": "arxiv",
    "version": 2
  }
}