Pith Number

pith:3Y4IZMZF

pith:2018:3Y4IZMZFCRUKMIBQMUTO3A2YE6

not attested not anchored not stored refs pending

A limit on the warm dark matter particle mass from the redshifted 21 cm absorption line

Arif Babul (U. Victoria), Evan Scannapieco (ASU), Mohammadtaher Safarzadeh (ASU)

arxiv:1803.08039 v2 · 2018-03-19 · astro-ph.CO · 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{3Y4IZMZFCRUKMIBQMUTO3A2YE6}

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

1 paper in Pith

Simulation-based inference on warm dark matter from HERA forecasts

Receipt and verification

First computed	2026-05-18T00:13:26.853246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de388cb3251468a620306526ed835827b914e497080c55165309df5e9897122c

Aliases

arxiv: 1803.08039 · arxiv_version: 1803.08039v2 · doi: 10.48550/arxiv.1803.08039 · pith_short_12: 3Y4IZMZFCRUK · pith_short_16: 3Y4IZMZFCRUKMIBQ · pith_short_8: 3Y4IZMZF

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/3Y4IZMZFCRUKMIBQMUTO3A2YE6 \
  | 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: de388cb3251468a620306526ed835827b914e497080c55165309df5e9897122c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41ec9ea83cd03188f4e3087242219f1f1c6575400d40edc240eda85759f65fc9",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-03-19T18:00:08Z",
    "title_canon_sha256": "ce12f38fd712b0a4e12fdcc7ab25cc6de1a7855c99a3d9a9a5f468d442775045"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08039",
    "kind": "arxiv",
    "version": 2
  }
}