Pith Number

pith:G5DSH5BC

pith:2026:G5DSH5BCKZ4HHLCJ4VAPB36JPD

not attested not anchored not stored refs pending

Generating function and Bloch representation for quantum Fisher tensor

Felipe P. Abreu, Wei Chen

arxiv:2603.04615 v2 · 2026-03-04 · 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{G5DSH5BCKZ4HHLCJ4VAPB36JPD}

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	2026-06-11T01:09:32.101036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

374723f422567873ac49e540f0efc978eb81012be44569f51001fcbe1246109c

Aliases

arxiv: 2603.04615 · arxiv_version: 2603.04615v2 · doi: 10.48550/arxiv.2603.04615 · pith_short_12: G5DSH5BCKZ4H · pith_short_16: G5DSH5BCKZ4HHLCJ · pith_short_8: G5DSH5BC

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/G5DSH5BCKZ4HHLCJ4VAPB36JPD \
  | 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: 374723f422567873ac49e540f0efc978eb81012be44569f51001fcbe1246109c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3afe077111d6cd9076cfbd771c68a059299d508fc32b2fa2e095b2bdc4e67851",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-03-04T21:20:09Z",
    "title_canon_sha256": "730a449da00ad8d4f7d40bae9740e393dea4fab395152e607516efbcce11cbd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.04615",
    "kind": "arxiv",
    "version": 2
  }
}