Pith Number

pith:QL67KANZ

pith:2002:QL67KANZQMACWY6Z464MB6ANN7

not attested not anchored not stored refs pending

A measurement-based approach to quantum arrival times

G. C. Hegerfeldt, I. L. Egusquiza, J. A. Damborenea, J. G. Muga

arxiv:quant-ph/0209027 v1 · 2002-09-03 · 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{QL67KANZQMACWY6Z464MB6ANN7}

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	2026-07-04T16:36:09.787125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82fdf501b983002b63d9e7b8c0f80d6fd3573201816810f586903cbc63745155

Aliases

arxiv: quant-ph/0209027 · arxiv_version: quant-ph/0209027v1 · doi: 10.48550/arxiv.quant-ph/0209027 · pith_short_12: QL67KANZQMAC · pith_short_16: QL67KANZQMACWY6Z · pith_short_8: QL67KANZ

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/QL67KANZQMACWY6Z464MB6ANN7 \
  | 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: 82fdf501b983002b63d9e7b8c0f80d6fd3573201816810f586903cbc63745155

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "960ba02fae1cec301e6f8cf8e63c4c4702c7bbed8c341124e612966f5e5e332d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-09-03T15:52:35Z",
    "title_canon_sha256": "4a195f7cefbfc19110d8300dbb30f09629eef7bd5acb08d55c037f50dba0a436"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0209027",
    "kind": "arxiv",
    "version": 1
  }
}