Pith Number

pith:FLVX7SYX

pith:2003:FLVX7SYXZF2ZDCWBEGC2LJG7XV

not attested not anchored not stored refs pending

Atomic time-of-arrival measurements with a laser of finite beam width

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

arxiv:quant-ph/0302201 v1 · 2003-02-28 · 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{FLVX7SYXZF2ZDCWBEGC2LJG7XV}

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	2026-07-04T16:42:26.353516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2aeb7fcb17c975918ac12185a5a4dfbd67c7b011f4d7f4250e25bdb91e0926a3

Aliases

arxiv: quant-ph/0302201 · arxiv_version: quant-ph/0302201v1 · doi: 10.48550/arxiv.quant-ph/0302201 · pith_short_12: FLVX7SYXZF2Z · pith_short_16: FLVX7SYXZF2ZDCWB · pith_short_8: FLVX7SYX

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/FLVX7SYXZF2ZDCWBEGC2LJG7XV \
  | 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: 2aeb7fcb17c975918ac12185a5a4dfbd67c7b011f4d7f4250e25bdb91e0926a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcb24459702656a6d2c9c060110ff7bc3a0864275991e5ad81ad6954e0a3d2f7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-02-28T10:44:26Z",
    "title_canon_sha256": "4e8d947f8b9a119736c9c925c1d0eb47e7425630a78ee9a8a3e5dd62a77f9fb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0302201",
    "kind": "arxiv",
    "version": 1
  }
}