Pith Number

pith:QVP763XY

pith:2016:QVP763XYBZN3JDGE4JGYY5KB4F

not attested not anchored not stored refs pending

Test of the universality of free fall with atoms in different spin orientations

Cheng-Gang Shao, Feng Xiong, Jun Luo, Ke Zhang, Min-Kang Zhou, Wen-Jie Xu, Xiao-Bing Deng, Xiao-Chun Duan, Yao-Yao Xu, Zhong-Kun Hu

arxiv:1602.06377 v1 · 2016-02-20 · physics.atom-ph · physics.atm-clus

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QVP763XYBZN3JDGE4JGYY5KB4F}

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	2026-05-18T01:10:06.889865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

855fff6ef80e5bb48cc4e24d8c7541e17db2326285b13e93cce8de8bddba2173

Aliases

arxiv: 1602.06377 · arxiv_version: 1602.06377v1 · doi: 10.48550/arxiv.1602.06377 · pith_short_12: QVP763XYBZN3 · pith_short_16: QVP763XYBZN3JDGE · pith_short_8: QVP763XY

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/QVP763XYBZN3JDGE4JGYY5KB4F \
  | 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: 855fff6ef80e5bb48cc4e24d8c7541e17db2326285b13e93cce8de8bddba2173

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ff8e13c7c1615773fd1d814710b873b1c5a6e7311c572834f5ef6021cfe89d6",
    "cross_cats_sorted": [
      "physics.atm-clus"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2016-02-20T07:48:16Z",
    "title_canon_sha256": "7f3d1be3e0d52420a979b3d214fc84a3db8d0949bd6d64362bac26c7ee07b6b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06377",
    "kind": "arxiv",
    "version": 1
  }
}