Pith Number

pith:FFAZMVRL

pith:2020:FFAZMVRLK5IF4RSWKO4E5BF6O6

not attested not anchored not stored refs pending

Maximal entropy approach for quantum state tomography

Raphael D. Levine, Rishabh Gupta, Rongxin Xia, Sabre Kais

arxiv:2009.00815 v2 · 2020-09-02 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FFAZMVRLK5IF4RSWKO4E5BF6O6}

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.

Cited by

1 paper in Pith

Thermalization with partial information

Receipt and verification

First computed	2026-07-05T02:13:48.978274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

294196562b57505e465653b84e84be778b9e20b4f9e2f792c62baee79665221d

Aliases

arxiv: 2009.00815 · arxiv_version: 2009.00815v2 · doi: 10.48550/arxiv.2009.00815 · pith_short_12: FFAZMVRLK5IF · pith_short_16: FFAZMVRLK5IF4RSW · pith_short_8: FFAZMVRL

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/FFAZMVRLK5IF4RSWKO4E5BF6O6 \
  | 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: 294196562b57505e465653b84e84be778b9e20b4f9e2f792c62baee79665221d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ade4c357643c993436aadcd57f5aab7d2516e4336915804b9ef50732083328d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-09-02T04:39:45Z",
    "title_canon_sha256": "bbd2b84dc5f390736bd24c801b0b953e0caed7adfe78b06dd6a5f016ba40eeb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.00815",
    "kind": "arxiv",
    "version": 2
  }
}