Pith Number

pith:NMRX2OHM

pith:2021:NMRX2OHM2MEFRXTYQLEDQ3A4OM

not attested not anchored not stored refs pending

Informationally complete POVM-based shadow tomography

Anirvan M. Sengupta, Atithi Acharya, Siddhartha Saha

arxiv:2105.05992 v2 · 2021-05-12 · 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{NMRX2OHM2MEFRXTYQLEDQ3A4OM}

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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

2 papers in Pith

Efficient classical training of model-free quantum photonic reservoir

Distributions of Noisy Expectation Values over Sets of Measurement Operators

Receipt and verification

First computed	2026-07-05T02:43:34.669876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b237d38ecd30858de7882c8386c1c7332ca090155c094f9b8f5902354fb1085

Aliases

arxiv: 2105.05992 · arxiv_version: 2105.05992v2 · doi: 10.48550/arxiv.2105.05992 · pith_short_12: NMRX2OHM2MEF · pith_short_16: NMRX2OHM2MEFRXTY · pith_short_8: NMRX2OHM

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/NMRX2OHM2MEFRXTYQLEDQ3A4OM \
  | 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: 6b237d38ecd30858de7882c8386c1c7332ca090155c094f9b8f5902354fb1085

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "050bada116020f0786cf026d86976d9c87334c5ba9f6b25512c4d3891d66ff76",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-05-12T22:34:42Z",
    "title_canon_sha256": "38bcff9d8063d65f17668f115431a28d925cba4875f36b8818652166e79be7ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.05992",
    "kind": "arxiv",
    "version": 2
  }
}