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Pith Number

pith:KH65QDDR

pith:2020:KH65QDDRWZBDD2FNDVSWQOQHYU
not attested not anchored not stored refs pending

Updated constraints on decaying cold dark matter

Andreas Nygaard, Steen Hannestad, Thomas Tram

arxiv:2011.01632 v3 · 2020-11-03 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KH65QDDRWZBDD2FNDVSWQOQHYU}

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

Receipt and verification
First computed 2026-07-05T02:39:43.065530Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

51fdd80c71b64231e8ad1d65683a07c53d01621464ed47a37c54ab02a71a4213

Aliases

arxiv: 2011.01632 · arxiv_version: 2011.01632v3 · doi: 10.48550/arxiv.2011.01632 · pith_short_12: KH65QDDRWZBD · pith_short_16: KH65QDDRWZBDD2FN · pith_short_8: KH65QDDR
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KH65QDDRWZBDD2FNDVSWQOQHYU \
  | 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: 51fdd80c71b64231e8ad1d65683a07c53d01621464ed47a37c54ab02a71a4213
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3ab1a6e254f536048c901a32e8f56869e492d099fd1c4d80eed8e4c0163b3142",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-11-03T11:18:10Z",
    "title_canon_sha256": "8957fdf2f63953ed6e7fa79e788a0e4912c45169ebfcf6a14443996e06a553bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.01632",
    "kind": "arxiv",
    "version": 3
  }
}