Pith Number

pith:C6TFUCGH

pith:2026:C6TFUCGHZ2HNJAXLQ5WXGOGTF5

not attested not anchored not stored refs pending

Using the Pericentre Precession of LAGEOS II to Constrain Quadratically Coupled Ultralight Dark Matter

Angus Macdonald, Clare Burrage, Elisa Todarello

arxiv:2605.28248 v1 · 2026-05-27 · hep-ph · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C6TFUCGHZ2HNJAXLQ5WXGOGTF5}

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	2026-05-28T01:05:04.017629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17a65a08c7ce8ed482eb876d7338d32f4aaa89bb00052b82754ec17dc8ca80b9

Aliases

arxiv: 2605.28248 · arxiv_version: 2605.28248v1 · doi: 10.48550/arxiv.2605.28248 · pith_short_12: C6TFUCGHZ2HN · pith_short_16: C6TFUCGHZ2HNJAXL · pith_short_8: C6TFUCGH

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/C6TFUCGHZ2HNJAXLQ5WXGOGTF5 \
  | 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: 17a65a08c7ce8ed482eb876d7338d32f4aaa89bb00052b82754ec17dc8ca80b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c7309ca9730ac646a428ca89f3c868e42773c8719c77df670f97b2c833eab66",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2026-05-27T09:59:04Z",
    "title_canon_sha256": "4d7590d8dc13542da336375337f98200b0c251bc4b03a7a56c8763258d07f723"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28248",
    "kind": "arxiv",
    "version": 1
  }
}