Pith Number

pith:SOXRJTET

pith:2022:SOXRJTET6RAUPGLIX77CZHLCIN

not attested not anchored not stored refs pending

Sample-optimal classical shadows for pure states

Daniel Grier, Hakop Pashayan, Luke Schaeffer

arxiv:2211.11810 v2 · 2022-11-21 · quant-ph · cs.IT · cs.LG · 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{SOXRJTET6RAUPGLIX77CZHLCIN}

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	2026-07-05T08:33:29.241103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93af14cc93f441479968bffe2c9d6243751baf6c0e5318a1860b1eec4764f172

Aliases

arxiv: 2211.11810 · arxiv_version: 2211.11810v2 · doi: 10.48550/arxiv.2211.11810 · pith_short_12: SOXRJTET6RAU · pith_short_16: SOXRJTET6RAUPGLI · pith_short_8: SOXRJTET

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/SOXRJTET6RAUPGLIX77CZHLCIN \
  | 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: 93af14cc93f441479968bffe2c9d6243751baf6c0e5318a1860b1eec4764f172

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4b4d78e2c13410711e762b5268d9fcfda29cf786e4952562b604f96831acf35",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.LG",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-11-21T19:24:17Z",
    "title_canon_sha256": "e2acb56df3902fe4b2986fa944d6884a9d12ce472f7cfb042ee3080632b25b99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.11810",
    "kind": "arxiv",
    "version": 2
  }
}