Pith Number

pith:SWWHDPZF

pith:2026:SWWHDPZFLHIGOL3H3YQZ4CJI5N

not attested not anchored not stored refs pending

Sudden death of entanglement, rebirth of magic

Chenfeng Cao

arxiv:2605.22603 v1 · 2026-05-21 · 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{SWWHDPZFLHIGOL3H3YQZ4CJI5N}

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	2026-05-22T01:04:59.762067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95ac71bf2559d0672f67de219e0928eb766bdf02a6937a91a747e6b7aa25bb50

Aliases

arxiv: 2605.22603 · arxiv_version: 2605.22603v1 · doi: 10.48550/arxiv.2605.22603 · pith_short_12: SWWHDPZFLHIG · pith_short_16: SWWHDPZFLHIGOL3H · pith_short_8: SWWHDPZF

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/SWWHDPZFLHIGOL3H3YQZ4CJI5N \
  | 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: 95ac71bf2559d0672f67de219e0928eb766bdf02a6937a91a747e6b7aa25bb50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e63258fab77e4a4636101cf3d60ac062cdfba13ecca3437632ec257208449186",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-21T15:16:42Z",
    "title_canon_sha256": "c1d9a775f04ac4fd654726f5eee24838d45485038cd96c22f67837f8c3287873"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22603",
    "kind": "arxiv",
    "version": 1
  }
}