Pith Number

pith:2RVWA2VY

pith:2023:2RVWA2VYVNXNH7RQFSBYXVIWNU

not attested not anchored not stored refs pending

Fundamental accuracy-resolution trade-off for timekeeping devices

Emanuel Schwarzhans, Florian Meier, Marcus Huber, Paul Erker

arxiv:2301.05173 v3 · 2023-01-12 · 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{2RVWA2VYVNXNH7RQFSBYXVIWNU}

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	2026-07-05T07:17:52.232727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d46b606ab8ab6ed3fe302c838bd5166d3d5c9df67189e21a9f0ee5fc7ec26091

Aliases

arxiv: 2301.05173 · arxiv_version: 2301.05173v3 · doi: 10.48550/arxiv.2301.05173 · pith_short_12: 2RVWA2VYVNXN · pith_short_16: 2RVWA2VYVNXNH7RQ · pith_short_8: 2RVWA2VY

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/2RVWA2VYVNXNH7RQFSBYXVIWNU \
  | 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: d46b606ab8ab6ed3fe302c838bd5166d3d5c9df67189e21a9f0ee5fc7ec26091

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "842bacaaa46875053f520802ab612d37c5771056bffdf684e0238ca1a673e70a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-01-12T17:56:08Z",
    "title_canon_sha256": "cc05df0dac64201ed2dfac6c11fe5451b599650ee1ea9b26a583c98bf65bf10b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.05173",
    "kind": "arxiv",
    "version": 3
  }
}