Pith Number

pith:BVYKWN76

pith:2003:BVYKWN76AJ5I5SURM4KJYRHBJU

not attested not anchored not stored refs pending

De Broglie Wavelength of a Nonlocal Four-Photon

Anton Zeilinger, Jian-Wei Pan, Markus Aspelmeyer, Philip Walther, Rupert Ursin, Sara Gasparoni

arxiv:quant-ph/0312197 v1 · 2003-12-24 · 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{BVYKWN76AJ5I5SURM4KJYRHBJU}

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	2026-07-04T16:43:20.286094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d70ab37fe027a8eca9167149c44e14d2ba4743f13abffe0fbe83eaff52a6ee0

Aliases

arxiv: quant-ph/0312197 · arxiv_version: quant-ph/0312197v1 · doi: 10.48550/arxiv.quant-ph/0312197 · pith_short_12: BVYKWN76AJ5I · pith_short_16: BVYKWN76AJ5I5SUR · pith_short_8: BVYKWN76

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/BVYKWN76AJ5I5SURM4KJYRHBJU \
  | 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: 0d70ab37fe027a8eca9167149c44e14d2ba4743f13abffe0fbe83eaff52a6ee0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "132143fc412d6cc3cc1f9f1947ae19b576771315c0a0c444b2703c8500687838",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-12-24T18:45:42Z",
    "title_canon_sha256": "75c7531be202a77206aff90a2f1513197ac6e65f4bd2b45eedd32ee93ddf6de5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0312197",
    "kind": "arxiv",
    "version": 1
  }
}