Pith Number

pith:EBXTHRKQ

pith:2021:EBXTHRKQG3HWKFKUQ2YKLMKKSB

not attested not anchored not stored refs pending

K-sparse Pure State Tomography with Phase Estimation

Burhan Gulbahar

arxiv:2111.04359 v2 · 2021-11-08 · quant-ph · cs.CC · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EBXTHRKQG3HWKFKUQ2YKLMKKSB}

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	2026-07-05T03:31:32.319769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

206f33c55036cf65155486b0a5b14a906c02ff3992074f5fced53c8b2f07a55c

Aliases

arxiv: 2111.04359 · arxiv_version: 2111.04359v2 · doi: 10.48550/arxiv.2111.04359 · pith_short_12: EBXTHRKQG3HW · pith_short_16: EBXTHRKQG3HWKFKU · pith_short_8: EBXTHRKQ

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/EBXTHRKQG3HWKFKUQ2YKLMKKSB \
  | 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: 206f33c55036cf65155486b0a5b14a906c02ff3992074f5fced53c8b2f07a55c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d50ba4751aee9e355dddc85cec6f233b63794b1316ea7ececbb7359872289e82",
    "cross_cats_sorted": [
      "cs.CC",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-11-08T09:43:12Z",
    "title_canon_sha256": "4a7114388ebc250cc83e725409cad3b2fe935d5c289de8d8eda6dfafbd815fe5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.04359",
    "kind": "arxiv",
    "version": 2
  }
}