Pith Number

pith:5LN7MU5P

pith:2016:5LN7MU5PXE43INT727TECYIM7U

not attested not anchored not stored refs pending

Constraints on exotic spin-dependent interactions between electrons from helium fine-structure spectroscopy

Derek F. Jackson Kimball, Dmitry Budker, Filip Ficek, Mikhail Kozlov, Nathan Leefer, Szymon Pustelny

arxiv:1608.05779 v2 · 2016-08-20 · physics.atom-ph · 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{5LN7MU5PXE43INT727TECYIM7U}

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

Potential of constraining the Fifth Force Using the Earth as a Spin and Mass Source from space

The Dark Photon

Receipt and verification

First computed	2026-05-18T00:48:27.977546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eadbf653afb939b4367fd7e641610cfd2b8a2a8aa5fa25780dbf366528e9560b

Aliases

arxiv: 1608.05779 · arxiv_version: 1608.05779v2 · doi: 10.48550/arxiv.1608.05779 · pith_short_12: 5LN7MU5PXE43 · pith_short_16: 5LN7MU5PXE43INT7 · pith_short_8: 5LN7MU5P

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/5LN7MU5PXE43INT727TECYIM7U \
  | 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: eadbf653afb939b4367fd7e641610cfd2b8a2a8aa5fa25780dbf366528e9560b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45540557a08a9fc6a96f38f404fb7446eceb35ae39f0040e115320112901b197",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2016-08-20T04:33:52Z",
    "title_canon_sha256": "e616339a8f4820d7e5fddffa6e812502be7ddc605f94f92c8204a7b8f80f3910"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.05779",
    "kind": "arxiv",
    "version": 2
  }
}