Pith Number

pith:37IAMSM6

pith:2013:37IAMSM65C2RZWIY32A3XLMOCW

not attested not anchored not stored refs pending

Determining eigenvalues of a density matrix with minimal information in a single experimental setting

Franco Nori, Gen Kimura, Hiromichi Nakazato, Mitsunori Kanazawa, Tohru Tanaka, Yukihiro Ota

arxiv:1308.5413 v2 · 2013-08-25 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{37IAMSM65C2RZWIY32A3XLMOCW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:01:24.160526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfd006499ee8b51cd918de81bbad8e1595f4db958c561265e910b813bc3c325a

Aliases

arxiv: 1308.5413 · arxiv_version: 1308.5413v2 · doi: 10.48550/arxiv.1308.5413 · pith_short_12: 37IAMSM65C2R · pith_short_16: 37IAMSM65C2RZWIY · pith_short_8: 37IAMSM6

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/37IAMSM65C2RZWIY32A3XLMOCW \
  | 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: dfd006499ee8b51cd918de81bbad8e1595f4db958c561265e910b813bc3c325a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a1ded7292d366946249c663bd380e26d54f0af82ca40a12f6a6a029cf2282a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-08-25T14:47:36Z",
    "title_canon_sha256": "5dd5bbf25bda9ffc2e30b383857cb9468d86aa3817bf0a0a33fb65db80c1c1bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5413",
    "kind": "arxiv",
    "version": 2
  }
}