Pith Number

pith:L7LVNUFD

pith:1999:L7LVNUFDNTPPW73LVT37YDJRWK

not attested not anchored not stored refs pending

Multilevel Quantum Particle as a Few Virtual Qubits Materialization

Alexander R. Kessel, Vladimir L. Ermakov

arxiv:quant-ph/9912123 v1 · 1999-12-31 · 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{L7LVNUFDNTPPW73LVT37YDJRWK}

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	2026-05-18T01:37:52.161493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fd756d0a36cdefb7f6bacf7fc0d31b287b24d9f498d6402de6b7f1119fe68fb

Aliases

arxiv: quant-ph/9912123 · arxiv_version: quant-ph/9912123v1 · doi: 10.48550/arxiv.quant-ph/9912123 · pith_short_12: L7LVNUFDNTPP · pith_short_16: L7LVNUFDNTPPW73L · pith_short_8: L7LVNUFD

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/L7LVNUFDNTPPW73LVT37YDJRWK \
  | 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: 5fd756d0a36cdefb7f6bacf7fc0d31b287b24d9f498d6402de6b7f1119fe68fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e501e638d61c484d76410f68a881ec24f53ae8b83478d418571c68ab66a61b7f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1999-12-31T20:42:22Z",
    "title_canon_sha256": "313bd35f083697ecc46aa82de16bcc2d32d78a28d80ca41ce9b5c2fa08ab5d45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9912123",
    "kind": "arxiv",
    "version": 1
  }
}