Pith Number

pith:IKNJT5P3

pith:2021:IKNJT5P3TWY5LESTKMNFUFLNW5

not attested not anchored not stored refs pending

A torsion-balance search for ultra low-mass bosonic dark matter

C. A. Hagedorn, E. A. Shaw, E. G. Adelberger, J. H. Gundlach, M. P. Ross

arxiv:2109.08822 v2 · 2021-09-18 · 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{IKNJT5P3TWY5LESTKMNFUFLNW5}

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

Quantum measurements in fundamental physics: a user's manual

INTEGRAL, eROSITA and Voyager Constraints on Light Bosonic Dark Matter: ALPs, Dark Photons, Scalars, $B-L$ and $L_{i}-L_{j}$ Vectors

Receipt and verification

First computed	2026-07-05T04:03:12.942210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

429a99f5fb9db1d59253531a5a156db74ee1b058c4c23e2a9966e08e512cd7b3

Aliases

arxiv: 2109.08822 · arxiv_version: 2109.08822v2 · doi: 10.48550/arxiv.2109.08822 · pith_short_12: IKNJT5P3TWY5 · pith_short_16: IKNJT5P3TWY5LEST · pith_short_8: IKNJT5P3

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/IKNJT5P3TWY5LESTKMNFUFLNW5 \
  | 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: 429a99f5fb9db1d59253531a5a156db74ee1b058c4c23e2a9966e08e512cd7b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5c972375d296b10654ae90823d5557ed40441aba5091c09dd5422369e6739b6",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-09-18T03:39:34Z",
    "title_canon_sha256": "18f087c6da652520302cd601ca2ef7ce23ea4c5e8a30bbb000808272aa5f1444"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.08822",
    "kind": "arxiv",
    "version": 2
  }
}