Pith Number

pith:EMZPTNB2

pith:2017:EMZPTNB2KZUXNKUMID5OFA4A7N

not attested not anchored not stored refs pending

Approximate quantum state reconstruction without a quantum channel

Heng Fan, Liang-zhu Mu, Ze-Yang Fan, Zichen Yang

arxiv:1710.02296 v2 · 2017-10-06 · 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{EMZPTNB2KZUXNKUMID5OFA4A7N}

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	2026-05-17T23:58:05.388229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2332f9b43a566976aa8c40fae28380fb5c1165e088326b3abf3d3635eddb9d56

Aliases

arxiv: 1710.02296 · arxiv_version: 1710.02296v2 · doi: 10.48550/arxiv.1710.02296 · pith_short_12: EMZPTNB2KZUX · pith_short_16: EMZPTNB2KZUXNKUM · pith_short_8: EMZPTNB2

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/EMZPTNB2KZUXNKUMID5OFA4A7N \
  | 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: 2332f9b43a566976aa8c40fae28380fb5c1165e088326b3abf3d3635eddb9d56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8721e05fedf7c53d424ff1acd94083bb54a6f3d06fbb4c2972705adf0073742c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-10-06T07:37:49Z",
    "title_canon_sha256": "a8375e19ac91fb01aa70f46cab51f800836ce68eafc2724912766f9051fc41c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.02296",
    "kind": "arxiv",
    "version": 2
  }
}