Pith Number

pith:QQI32SN6

pith:2021:QQI32SN6RZE7KRYOMMYNVV6DXB

not attested not anchored not stored refs pending

Measuring time with stationary quantum clocks

Mischa P. Woods, Sergii Strelchuk

arxiv:2106.07684 v2 · 2021-06-14 · quant-ph · physics.hist-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{QQI32SN6RZE7KRYOMMYNVV6DXB}

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	2026-07-05T03:16:32.831125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8411bd49be8e49f5470e6330dad7c3b848600da17de4326dbb5eb6002daac217

Aliases

arxiv: 2106.07684 · arxiv_version: 2106.07684v2 · doi: 10.48550/arxiv.2106.07684 · pith_short_12: QQI32SN6RZE7 · pith_short_16: QQI32SN6RZE7KRYO · pith_short_8: QQI32SN6

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/QQI32SN6RZE7KRYOMMYNVV6DXB \
  | 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: 8411bd49be8e49f5470e6330dad7c3b848600da17de4326dbb5eb6002daac217

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45dd6343829e3d83ac37396952333c650d0ef26a3f44d40f2bbe236799bb5366",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-06-14T18:08:41Z",
    "title_canon_sha256": "1fe46f5e4af239119ca75241f3874fb759fa32e8b1fcbf255534befa1921313a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.07684",
    "kind": "arxiv",
    "version": 2
  }
}