Pith Number

pith:HTQRWVAA

pith:2026:HTQRWVAAH3U3DTULSUHNUAGJXF

not attested not anchored not stored refs pending

Rank-Adaptive Matrix-Free Atomic Quantum State Tomography

Alireza Sadeghi, Amirhossein Taherpour, Georgios B. Giannakis

arxiv:2607.19577 v1 · 2026-07-21 · quant-ph · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HTQRWVAAH3U3DTULSUHNUAGJXF}

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	2026-07-23T00:23:57.356000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ce11b54003ee9b1ce8b950eda00c9b956d1cb0e2984f85c5394582e4a3df7f3

Aliases

arxiv: 2607.19577 · arxiv_version: 2607.19577v1 · doi: 10.48550/arxiv.2607.19577 · pith_short_12: HTQRWVAAH3U3 · pith_short_16: HTQRWVAAH3U3DTUL · pith_short_8: HTQRWVAA

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/HTQRWVAAH3U3DTULSUHNUAGJXF \
  | 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: 3ce11b54003ee9b1ce8b950eda00c9b956d1cb0e2984f85c5394582e4a3df7f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac2ab16de4daad5aeb226ef989f4b10dec53d4dc638f5f0be3c531b3ffaa1263",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-21T21:08:08Z",
    "title_canon_sha256": "91fb1133b13dcf3febfebba140e4ee99f2b0bb124d659da42ba3e1036b260878"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19577",
    "kind": "arxiv",
    "version": 1
  }
}