Pith Number

pith:2ZXDHW4Z

pith:2024:2ZXDHW4ZLVMCNP254RB472M5LW

not attested not anchored not stored refs pending

Constraining UV freeze-in of light relics with current and next-generation CMB observations

Luca Caloni, Martina Gerbino, Massimiliano Lattanzi, Patrick Stengel

arxiv:2405.09449 v1 · 2024-05-15 · 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{2ZXDHW4ZLVMCNP254RB472M5LW}

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	2026-07-05T08:19:30.617011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d66e33db995d5826bf5de443cfe99d5db1a6b7fc97724ac050e0f2f6033d1fca

Aliases

arxiv: 2405.09449 · arxiv_version: 2405.09449v1 · doi: 10.48550/arxiv.2405.09449 · pith_short_12: 2ZXDHW4ZLVMC · pith_short_16: 2ZXDHW4ZLVMCNP25 · pith_short_8: 2ZXDHW4Z

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/2ZXDHW4ZLVMCNP254RB472M5LW \
  | 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: d66e33db995d5826bf5de443cfe99d5db1a6b7fc97724ac050e0f2f6033d1fca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7494382c731c396a08348495120ea6c591f52feb4c30a4b00dd24e7cd8711f94",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2024-05-15T15:46:07Z",
    "title_canon_sha256": "10abe37e331ed5ac1951532688ecaee77d1484acbe93e6b33fa6b394a9d2b10c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.09449",
    "kind": "arxiv",
    "version": 1
  }
}