Pith Number

pith:KSAXDUML

pith:2022:KSAXDUML76XV7AJKA7UOUYQEXI

not attested not anchored not stored refs pending

Constraining Fundamental Constant Variations from Ultralight Dark Matter with Pulsar Timing Arrays

Andrea Mitridate, David E. Kaplan, Tanner Trickle

arxiv:2205.06817 v1 · 2022-05-13 · 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{KSAXDUML76XV7AJKA7UOUYQEXI}

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

3 papers in Pith

Background-Induced Forces from Quadratically Coupled Ultralight Dark Matter

$\phi$-Dwarfs: White Dwarfs probe Quadratically Coupled Scalars

Constraints on Ultralight Scalar and Dark Photon Dark Matter from PPTA-DR3 and EPTA-DR2

Receipt and verification

First computed	2026-07-05T04:57:09.286009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

548171d18bffaf5f812a07e8ea6204ba097f0a72939a7e770e34ee60692396bb

Aliases

arxiv: 2205.06817 · arxiv_version: 2205.06817v1 · doi: 10.48550/arxiv.2205.06817 · pith_short_12: KSAXDUML76XV · pith_short_16: KSAXDUML76XV7AJK · pith_short_8: KSAXDUML

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/KSAXDUML76XV7AJKA7UOUYQEXI \
  | 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: 548171d18bffaf5f812a07e8ea6204ba097f0a72939a7e770e34ee60692396bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "972f887001d62dd0b109e974a3e7617994c464a3e5c0f5f28d0050bc8e04c95b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2022-05-13T18:00:00Z",
    "title_canon_sha256": "ca9118bb41c9cea039f3ff1e8fc42966dd0d805e1ace57737edfebe899587f53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.06817",
    "kind": "arxiv",
    "version": 1
  }
}