Pith Number

pith:3K46E4XP

pith:2026:3K46E4XPW4V6MRVJK2IEYWRD42

not attested not anchored not stored refs pending

Zero-level $CCZ$ Distillation

Keisuke Fujii, Tomohiro Itogawa, Yutaka Hirano, Yutaro Akahoshi

arxiv:2605.21867 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{3K46E4XPW4V6MRVJK2IEYWRD42}

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	2026-05-22T01:04:12.148507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dab9e272efb72be646a956904c5a23e6a512ed7dd3c13e16eb728a417eb137ca

Aliases

arxiv: 2605.21867 · arxiv_version: 2605.21867v1 · doi: 10.48550/arxiv.2605.21867 · pith_short_12: 3K46E4XPW4V6 · pith_short_16: 3K46E4XPW4V6MRVJ · pith_short_8: 3K46E4XP

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/3K46E4XPW4V6MRVJK2IEYWRD42 \
  | 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: dab9e272efb72be646a956904c5a23e6a512ed7dd3c13e16eb728a417eb137ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52538d42a80038e50ec6abd08738a682a601957bc459a5242b9614dfc62b8c86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-21T01:22:28Z",
    "title_canon_sha256": "5cfc939550098b460e7ec0d60e11dc45d83aaecea0140e3afd87802eaf4f93ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21867",
    "kind": "arxiv",
    "version": 1
  }
}