Pith Number

pith:MU7KZ2J5

pith:2020:MU7KZ2J5IKNQCKUN2TVBMRC6LY

not attested not anchored not stored refs pending

The cosmology of sub-MeV dark matter freeze-in

Cora Dvorkin, Katelin Schutz, Tongyan Lin

arxiv:2011.08186 v1 · 2020-11-16 · 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{MU7KZ2J5IKNQCKUN2TVBMRC6LY}

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

KineticXGPU: A Tensorized Collision Operator for Dark-Sector Self-Scattering

Seasons of Dark Matter Freeze-In Shaped by the Weather of the Early Universe

Receipt and verification

First computed	2026-07-05T03:14:06.186108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

653eace93d429b012a8dd4ea16445e5e28d841acddf0a48944a5b1f61f30020e

Aliases

arxiv: 2011.08186 · arxiv_version: 2011.08186v1 · doi: 10.48550/arxiv.2011.08186 · pith_short_12: MU7KZ2J5IKNQ · pith_short_16: MU7KZ2J5IKNQCKUN · pith_short_8: MU7KZ2J5

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/MU7KZ2J5IKNQCKUN2TVBMRC6LY \
  | 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: 653eace93d429b012a8dd4ea16445e5e28d841acddf0a48944a5b1f61f30020e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22a4845cf1e0c7ee407535edc694cb9070fc53db0b7276c26d06dc289f2d01b7",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-11-16T19:00:00Z",
    "title_canon_sha256": "976a543293609f8a18a2a5d6d3099fd9b4f2e314bed874fdb67c66db439a22f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.08186",
    "kind": "arxiv",
    "version": 1
  }
}