Pith Number

pith:TWQUEGOY

pith:2018:TWQUEGOYXSRZR7WVU3TNQBXGZB

not attested not anchored not stored refs pending

Converting non-relativistic dark matter to radiation

Felix Kahlhoefer, Kai Schmidt-Hoberg, Parampreet Walia, Torsten Bringmann

arxiv:1803.03644 v3 · 2018-03-09 · 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{TWQUEGOYXSRZR7WVU3TNQBXGZB}

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	2026-05-18T00:08:43.068070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9da14219d8bca398fed5a6e6d806e6c86b481e2937de497d5b53c8f00d887f81

Aliases

arxiv: 1803.03644 · arxiv_version: 1803.03644v3 · doi: 10.48550/arxiv.1803.03644 · pith_short_12: TWQUEGOYXSRZ · pith_short_16: TWQUEGOYXSRZR7WV · pith_short_8: TWQUEGOY

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/TWQUEGOYXSRZR7WVU3TNQBXGZB \
  | 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: 9da14219d8bca398fed5a6e6d806e6c86b481e2937de497d5b53c8f00d887f81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bc64840842e0aa3482b55d03975329bb6093d7e7068962b1a9268ef70430ac5",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-03-09T19:00:00Z",
    "title_canon_sha256": "de5a972da6abc58bb3d933803351b8270e064ddf45368351c1063ba7adb77f2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.03644",
    "kind": "arxiv",
    "version": 3
  }
}