Pith Number

pith:RE2QWBOL

pith:2015:RE2QWBOLSZKXOSZ6Z2KUYOA2K5

not attested not anchored not stored refs pending

Quantum Tomography twenty years later

A. Ibort, F. Ventriglia, G. Marmo, M. Asorey

arxiv:1510.08140 v1 · 2015-10-28 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RE2QWBOLSZKXOSZ6Z2KUYOA2K5}

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	2026-05-18T01:27:56.402032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89350b05cb9655774b3ece954c381a576968eb3be40c81f32651597c78992c99

Aliases

arxiv: 1510.08140 · arxiv_version: 1510.08140v1 · doi: 10.48550/arxiv.1510.08140 · pith_short_12: RE2QWBOLSZKX · pith_short_16: RE2QWBOLSZKXOSZ6 · pith_short_8: RE2QWBOL

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/RE2QWBOLSZKXOSZ6Z2KUYOA2K5 \
  | 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: 89350b05cb9655774b3ece954c381a576968eb3be40c81f32651597c78992c99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa120926fd981176bd7184e0d92528499e6d7ef67c0d489c5a7d70a7be42d7d5",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-10-28T00:29:59Z",
    "title_canon_sha256": "47e76dc066709cc36ba4c61c01a6af567ad5af9b3713ed4b4d2c97d721d72495"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08140",
    "kind": "arxiv",
    "version": 1
  }
}