Pith Number

pith:3D43FNOP

pith:2022:3D43FNOPXR3Y3P4NRCI7GKMN7Q

not attested not anchored not stored refs pending

Algebraic properties of quantum reference frames: Does time fluctuate?

Artur Tsobanjan, Martin Bojowald

arxiv:2211.04520 v1 · 2022-11-08 · 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{3D43FNOPXR3Y3P4NRCI7GKMN7Q}

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	2026-07-05T05:29:40.193390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8f9b2b5cfbc778dbf8d8891f3298dfc36c76daaa5e8a8ded63888e4cea4fad6

Aliases

arxiv: 2211.04520 · arxiv_version: 2211.04520v1 · doi: 10.48550/arxiv.2211.04520 · pith_short_12: 3D43FNOPXR3Y · pith_short_16: 3D43FNOPXR3Y3P4N · pith_short_8: 3D43FNOP

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/3D43FNOPXR3Y3P4NRCI7GKMN7Q \
  | 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: d8f9b2b5cfbc778dbf8d8891f3298dfc36c76daaa5e8a8ded63888e4cea4fad6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ac60966765f9299b1fd2a5b6c6bb1a8b4cd8f34e9de499eb3d40f7d658dd922",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-11-08T19:30:20Z",
    "title_canon_sha256": "adf27f22aa1acc547547f2c7538a2a89ed97effdf6c2b0d0069fabc9767da7f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.04520",
    "kind": "arxiv",
    "version": 1
  }
}