Pith Number

pith:F7A23N45

pith:2026:F7A23N45TSQGISKYFHAALDFTHJ

not attested not anchored not stored refs pending

Expressibility, Noise, and Error Mitigation in VQE Ansatz Selection

Abe Kassem, Evan Coleman, Peter Annis

arxiv:2606.04955 v1 · 2026-06-03 · quant-ph · cs.ET

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7A23N45TSQGISKYFHAALDFTHJ}

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	2026-06-04T01:09:57.888258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fc1adb79d9ca064495829c0058cb33a4b772a162f82d69244d640510fcf769e

Aliases

arxiv: 2606.04955 · arxiv_version: 2606.04955v1 · doi: 10.48550/arxiv.2606.04955 · pith_short_12: F7A23N45TSQG · pith_short_16: F7A23N45TSQGISKY · pith_short_8: F7A23N45

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/F7A23N45TSQGISKYFHAALDFTHJ \
  | 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: 2fc1adb79d9ca064495829c0058cb33a4b772a162f82d69244d640510fcf769e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9db67341a404afd72edcf99d73146c8027ec56c41e94aa30fa85def9ad2daa4",
    "cross_cats_sorted": [
      "cs.ET"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-03T14:43:24Z",
    "title_canon_sha256": "c125b4f5401a7170136806fdf50b1987909e50f1bbf80ecdb2de16e392a04a44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04955",
    "kind": "arxiv",
    "version": 1
  }
}