Pith Number

pith:W6TRPV4U

pith:2025:W6TRPV4UPGCDGQKW7B74IVALET

not attested not anchored not stored refs pending

On estimating Schatten norm and power distances between quantum states

Qisheng Wang, Yupan Liu

arxiv:2505.00457 v3 · 2025-05-01 · quant-ph · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W6TRPV4UPGCDGQKW7B74IVALET}

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	2026-06-24T01:14:57.059292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7a717d7947984334156f87fc4540b24ed008779123663267c70a0a0a99e6b4e

Aliases

arxiv: 2505.00457 · arxiv_version: 2505.00457v3 · doi: 10.48550/arxiv.2505.00457 · pith_short_12: W6TRPV4UPGCD · pith_short_16: W6TRPV4UPGCDGQKW · pith_short_8: W6TRPV4U

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/W6TRPV4UPGCDGQKW7B74IVALET \
  | 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: b7a717d7947984334156f87fc4540b24ed008779123663267c70a0a0a99e6b4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1075dc7b21d548efbacc965b334e312fdc7fc53f6224db02db3a33021ac61fe",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-05-01T11:15:20Z",
    "title_canon_sha256": "7e9d724b2e998f8774a6dd6163e8c86f2663e816c5aa4f508e4fa109d89b50a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.00457",
    "kind": "arxiv",
    "version": 3
  }
}