Pith Number

pith:QQZ3OCR3

pith:2021:QQZ3OCR3QCPSASOLPHFVLJKGZN

not attested not anchored not stored refs pending

Missing Rung Problem in Vibrational Ladder Climbing

Hirotoshi Hirai, Soichi Shirai, Takahiro Horiba

arxiv:2108.00797 v2 · 2021-08-02 · 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{QQZ3OCR3QCPSASOLPHFVLJKGZN}

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	2026-07-05T03:54:58.922659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8433b70a3b809f2049cb79cb55a546cb5c227a7eac10d20df606a4fe85064c3f

Aliases

arxiv: 2108.00797 · arxiv_version: 2108.00797v2 · doi: 10.48550/arxiv.2108.00797 · pith_short_12: QQZ3OCR3QCPS · pith_short_16: QQZ3OCR3QCPSASOL · pith_short_8: QQZ3OCR3

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/QQZ3OCR3QCPSASOLPHFVLJKGZN \
  | 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: 8433b70a3b809f2049cb79cb55a546cb5c227a7eac10d20df606a4fe85064c3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7e296716afef723d2524ba89cd8c75044ae849f09ad7e7213632041ff1bb279",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-08-02T11:56:14Z",
    "title_canon_sha256": "92d021933add11de3cd5f3f421decf4ce490b2966c4a65120af80c8939353f2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.00797",
    "kind": "arxiv",
    "version": 2
  }
}