Pith Number

pith:KYDDO6HN

pith:2025:KYDDO6HN4B4KBW2SHTIGCWLSE5

not attested not anchored not stored refs pending

Comment on "Time crystals made of electron-positron pairs"

Zhen-Hua Feng

arxiv:2506.06408 v2 · 2025-06-06 · 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{KYDDO6HN4B4KBW2SHTIGCWLSE5}

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	2026-07-05T11:21:48.325335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56063778ede078a0db523cd061597227493ec098d0e9b8012d03a9909b493401

Aliases

arxiv: 2506.06408 · arxiv_version: 2506.06408v2 · doi: 10.48550/arxiv.2506.06408 · pith_short_12: KYDDO6HN4B4K · pith_short_16: KYDDO6HN4B4KBW2S · pith_short_8: KYDDO6HN

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/KYDDO6HN4B4KBW2SHTIGCWLSE5 \
  | 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: 56063778ede078a0db523cd061597227493ec098d0e9b8012d03a9909b493401

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ee808a1f70f1509ae21f70c72d0e85cc789fa357ebe20844604c92c5a598e20",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-06-06T13:46:57Z",
    "title_canon_sha256": "aebd00f8a556b5c6e1bc4c83adab3e55bddf8a10954fcff266d5e713aa6e2a71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.06408",
    "kind": "arxiv",
    "version": 2
  }
}