Pith Number

pith:DHDVURCZ

pith:2026:DHDVURCZ54HMXJMDZAJCLDD5M7

not attested not anchored not stored refs pending

A Symplectic Proof of the Quantum Singleton Bound

Frederick Dehmel, Shilun Li

arxiv:2602.20186 v3 · 2026-02-21 · quant-ph · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DHDVURCZ54HMXJMDZAJCLDD5M7}

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.

Cited by

1 paper in Pith

Entanglement-Rank Duality in Quadratic Phase Quantum States

Receipt and verification

First computed	2026-06-23T01:13:03.856902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19c75a4459ef0ecba583c812258c7d67d81dd1e01bf658d0920b47af687af468

Aliases

arxiv: 2602.20186 · arxiv_version: 2602.20186v3 · doi: 10.48550/arxiv.2602.20186 · pith_short_12: DHDVURCZ54HM · pith_short_16: DHDVURCZ54HMXJMD · pith_short_8: DHDVURCZ

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/DHDVURCZ54HMXJMDZAJCLDD5M7 \
  | 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: 19c75a4459ef0ecba583c812258c7d67d81dd1e01bf658d0920b47af687af468

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "901b2c343b0abb831229263f481ebf5e30cf4366a811158a5d78d4e5a3853833",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-02-21T06:05:05Z",
    "title_canon_sha256": "fa1ccd0ecad7eec18b873c769e967a23b4755ae80c8507e53ad8eff24c566326"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.20186",
    "kind": "arxiv",
    "version": 3
  }
}