Pith Number

pith:IW36B4V7

pith:2015:IW36B4V7RZVW5DYVK3UUDJOSIF

not attested not anchored not stored refs pending

A proposal for the optimal estimation of states in Quantum Information Processing

Mario Mastriani

arxiv:1502.04119 v1 · 2015-02-12 · 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{IW36B4V7RZVW5DYVK3UUDJOSIF}

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	2026-05-18T02:27:00.383608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45b7e0f2bf8e6b6e8f1556e941a5d2415233084f04df310faca04d652c9cf86c

Aliases

arxiv: 1502.04119 · arxiv_version: 1502.04119v1 · doi: 10.48550/arxiv.1502.04119 · pith_short_12: IW36B4V7RZVW · pith_short_16: IW36B4V7RZVW5DYV · pith_short_8: IW36B4V7

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/IW36B4V7RZVW5DYVK3UUDJOSIF \
  | 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: 45b7e0f2bf8e6b6e8f1556e941a5d2415233084f04df310faca04d652c9cf86c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e72cde1b732f5e2860c6ce0f9684e6d0e9c72200bdb1957083bfc43b76cc23ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-02-12T21:37:53Z",
    "title_canon_sha256": "1ed1d6d03c48a330b5940d318b5316743f48330dcb8b4b03db73a7cb3ea0ecaa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04119",
    "kind": "arxiv",
    "version": 1
  }
}