Pith Number

pith:C2DEL2DJ

pith:2025:C2DEL2DJZAL2MJPXG65CIPXPAN

not attested not anchored not stored refs pending

Constraints on minimally and conformally coupled ultralight dark matter with the EPTA

Clemente Smarra

arxiv:2502.02420 v1 · 2025-02-04 · astro-ph.HE · astro-ph.CO · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2DEL2DJZAL2MJPXG65CIPXPAN}

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	2026-07-05T10:09:28.476029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

168645e869c817a625f737ba243eef0377ea78da3945686506eab2eb4edc9dc6

Aliases

arxiv: 2502.02420 · arxiv_version: 2502.02420v1 · doi: 10.48550/arxiv.2502.02420 · pith_short_12: C2DEL2DJZAL2 · pith_short_16: C2DEL2DJZAL2MJPX · pith_short_8: C2DEL2DJ

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/C2DEL2DJZAL2MJPXG65CIPXPAN \
  | 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: 168645e869c817a625f737ba243eef0377ea78da3945686506eab2eb4edc9dc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b15757de0510e23b48599f75211b9acae7f48f8bebd64d45ef31ccad92362ac",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-02-04T15:41:55Z",
    "title_canon_sha256": "d5fec58cdcad447ee1e4105c35bd9db91bebe592837fed84f75475b24ca63d3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.02420",
    "kind": "arxiv",
    "version": 1
  }
}