Pith Number

pith:4Z7UXYGB

pith:2015:4Z7UXYGBMZJAEDBUQQVSHYOSB2

not attested not anchored not stored refs pending

A Gravity of Earth Measurement with a qBOUNCE Experiment

G. Cronenberg, H. Abele, H. Filter, M. Thalhammer, P. Geltenbort, T. Jenke

arxiv:1512.09134 v1 · 2015-12-30 · hep-ex · physics.ins-det · quant-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{4Z7UXYGBMZJAEDBUQQVSHYOSB2}

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	2026-05-18T01:23:33.932633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e67f4be0c16652020c34842b23e1d20ebbb23ca55ce8d1d1001b489b24fb3126

Aliases

arxiv: 1512.09134 · arxiv_version: 1512.09134v1 · doi: 10.48550/arxiv.1512.09134 · pith_short_12: 4Z7UXYGBMZJA · pith_short_16: 4Z7UXYGBMZJAEDBU · pith_short_8: 4Z7UXYGB

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/4Z7UXYGBMZJAEDBUQQVSHYOSB2 \
  | 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: e67f4be0c16652020c34842b23e1d20ebbb23ca55ce8d1d1001b489b24fb3126

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9c46afa8c91038907fb01a400c9ad81937a45a916bd9d9780fd69c9b4a274030",
    "cross_cats_sorted": [
      "physics.ins-det",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ex",
    "submitted_at": "2015-12-30T20:59:04Z",
    "title_canon_sha256": "1ea0d2c1f5b46b2d736d7368d882fc82d5b3c33ca48cd8b0ed3c0070a2840368"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.09134",
    "kind": "arxiv",
    "version": 1
  }
}