Pith Number

pith:R2QPKQYF

pith:2018:R2QPKQYFJ5LHUESHJAA7DWYAST

not attested not anchored not stored refs pending

Fundamental Irreversibility: Planckian or Schr\"odinger-Newton?

Lajos Di\'osi

arxiv:1806.08563 v1 · 2018-06-22 · quant-ph · 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{R2QPKQYFJ5LHUESHJAA7DWYAST}

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	2026-05-18T00:08:47.974998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ea0f543054f567a12474801f1db0094c2f901a3c850a9bb05cbb97238c32741

Aliases

arxiv: 1806.08563 · arxiv_version: 1806.08563v1 · doi: 10.48550/arxiv.1806.08563 · pith_short_12: R2QPKQYFJ5LH · pith_short_16: R2QPKQYFJ5LHUESH · pith_short_8: R2QPKQYF

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/R2QPKQYFJ5LHUESHJAA7DWYAST \
  | 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: 8ea0f543054f567a12474801f1db0094c2f901a3c850a9bb05cbb97238c32741

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d518f5966b5aa72596979129f724e11f41ac208a4b768f4c7c76e469807b776",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-06-22T09:04:09Z",
    "title_canon_sha256": "43d87c008e3d3f1b1a83f9fb14c7230f77481ee5fed7b864506ded1feccaac39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.08563",
    "kind": "arxiv",
    "version": 1
  }
}