Pith Number

pith:DFM4GCQP

pith:2010:DFM4GCQPJQ3SR7PXPWWBO3XEEM

not attested not anchored not stored refs pending

Limit on Lorentz and CPT violation of the bound Neutron Using a Free Precession 3He/129Xe co-magnetometer

A. Schnabel, C. Gemmel, F. Seifert, K. Lenz, K. Tullney, L. Trahms, M. Burghoff, S. Karpuk, S. Knappe-Gr\"uneberg, U. Schmidt, W. Heil, W. Kilian, W. M\"uller, Yu. Sobolev

arxiv:1011.2143 v3 · 2010-11-09 · 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{DFM4GCQPJQ3SR7PXPWWBO3XEEM}

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	2026-05-18T04:30:13.690949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1959c30a0f4c3728fdf77dac176ee42337360613c25712bab29e20e578853250

Aliases

arxiv: 1011.2143 · arxiv_version: 1011.2143v3 · doi: 10.48550/arxiv.1011.2143 · pith_short_12: DFM4GCQPJQ3S · pith_short_16: DFM4GCQPJQ3SR7PX · pith_short_8: DFM4GCQP

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/DFM4GCQPJQ3SR7PXPWWBO3XEEM \
  | 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: 1959c30a0f4c3728fdf77dac176ee42337360613c25712bab29e20e578853250

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc9bf31421f762d04283980144542606603c6a89bfc58cde78319eeee8851080",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-11-09T16:42:06Z",
    "title_canon_sha256": "fbe9b452f4db19e5539850f0d845bf9fcf52e8326f097a9c43ad039eebb12e59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.2143",
    "kind": "arxiv",
    "version": 3
  }
}