Pith Number

pith:JY5QQT4G

pith:2012:JY5QQT4GQJUPNZIAKFYCCCYUXX

not attested not anchored not stored refs pending

Recursive quantum detector tomography

A. Datta, H. B. Coldenstrodt-Ronge, I. A. Walmsley, J. Eisert, L. Zhang, M. B. Plenio, X.-M. Jin

arxiv:1207.3501 v3 · 2012-07-15 · 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{JY5QQT4GQJUPNZIAKFYCCCYUXX}

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	2026-05-18T03:41:21.290751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e3b084f868268f6e5005170210b14bdf0d5ec1362eb2c10acc8a540ed41dfd9

Aliases

arxiv: 1207.3501 · arxiv_version: 1207.3501v3 · doi: 10.48550/arxiv.1207.3501 · pith_short_12: JY5QQT4GQJUP · pith_short_16: JY5QQT4GQJUPNZIA · pith_short_8: JY5QQT4G

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/JY5QQT4GQJUPNZIAKFYCCCYUXX \
  | 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: 4e3b084f868268f6e5005170210b14bdf0d5ec1362eb2c10acc8a540ed41dfd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "475e403b62b57304c55b7a7083e58d2b184ae3513724c9d3d795f6b7accbcbfd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-07-15T12:48:33Z",
    "title_canon_sha256": "69a6cb550e7e4088230735e0c0106373e6a6e13fdf0ebfa17041b61001cc76e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3501",
    "kind": "arxiv",
    "version": 3
  }
}