Pith Number

pith:LKJZLCQT

pith:2026:LKJZLCQT7EMKEFHC4NIOOVUGEG

not attested not anchored not stored refs pending

Entangled photons from para-positronium decay: Do coincidences from scattered photons imply a Bell state?

Paul Joos, Peter Kling

arxiv:2606.31726 v1 · 2026-06-30 · 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{LKJZLCQT7EMKEFHC4NIOOVUGEG}

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	2026-07-01T01:18:12.949530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a93958a13f918a214e2e350e75686218b77bfb6b4bc0b5a8f2df72b36a7902c

Aliases

arxiv: 2606.31726 · arxiv_version: 2606.31726v1 · doi: 10.48550/arxiv.2606.31726 · pith_short_12: LKJZLCQT7EMK · pith_short_16: LKJZLCQT7EMKEFHC · pith_short_8: LKJZLCQT

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/LKJZLCQT7EMKEFHC4NIOOVUGEG \
  | 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: 5a93958a13f918a214e2e350e75686218b77bfb6b4bc0b5a8f2df72b36a7902c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bac9a2156da4b52c767dacf79f15f325a1f774805bdaa2b98e3236e3f46a646",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-30T14:26:51Z",
    "title_canon_sha256": "6a5e7f1dfd9768886d15360d317cd798484e9198a9cbec6607ef8abfb043f06b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31726",
    "kind": "arxiv",
    "version": 1
  }
}