Pith Number

pith:SKTM6HSU

pith:2018:SKTM6HSUN4PD3LTT6MZY72BM5Z

not attested not anchored not stored refs pending

Fuzzy Dark Matter at Cosmic Dawn: New 21-cm Constraints

Garrelt Mellema, Olof Nebrin, Raghunath Ghara

arxiv:1812.09760 v2 · 2018-12-23 · 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{SKTM6HSUN4PD3LTT6MZY72BM5Z}

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

Cosmological searches for the neutrino mass scale and mass ordering

Receipt and verification

First computed	2026-05-17T23:46:47.663667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92a6cf1e546f1e3dae73f3338fe82cee6fce73e9bfd166df380b18f26ff2f022

Aliases

arxiv: 1812.09760 · arxiv_version: 1812.09760v2 · doi: 10.48550/arxiv.1812.09760 · pith_short_12: SKTM6HSUN4PD · pith_short_16: SKTM6HSUN4PD3LTT · pith_short_8: SKTM6HSU

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/SKTM6HSUN4PD3LTT6MZY72BM5Z \
  | 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: 92a6cf1e546f1e3dae73f3338fe82cee6fce73e9bfd166df380b18f26ff2f022

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da0ca6e77f29004a11995b23ea39232d65710caafe75727f676615dfa11e87ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-12-23T19:18:57Z",
    "title_canon_sha256": "78a597bb72b605b68b6c791e66a992b2eff893739dbe1a3e0265aefb3dd01483"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09760",
    "kind": "arxiv",
    "version": 2
  }
}