Pith Number

pith:QZVKKMUV

pith:2016:QZVKKMUVP55DM6MIOGTLNQZRDL

not attested not anchored not stored refs pending

Physical origins of ruled surfaces on the reduced density matrices geometry

Bei Zeng, Duanlu Zhou, Ji-Yao Chen, Nengkun Yu, Xiaofei Qi, Zhengfeng Ji, Zheng-Xin Liu

arxiv:1605.06357 v1 · 2016-05-20 · 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{QZVKKMUVP55DM6MIOGTLNQZRDL}

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	2026-05-18T00:11:19.301577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

866aa532957f7a36798871a6b6c3311ae8b51f6f2aa268c099a7608c3422aff1

Aliases

arxiv: 1605.06357 · arxiv_version: 1605.06357v1 · doi: 10.48550/arxiv.1605.06357 · pith_short_12: QZVKKMUVP55D · pith_short_16: QZVKKMUVP55DM6MI · pith_short_8: QZVKKMUV

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/QZVKKMUVP55DM6MIOGTLNQZRDL \
  | 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: 866aa532957f7a36798871a6b6c3311ae8b51f6f2aa268c099a7608c3422aff1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4082705e0b4bf80c1c9042c9424be1e68371a7f035c3d32a77736e4376410572",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-05-20T13:52:55Z",
    "title_canon_sha256": "755add55c5581a120d3774bbe60168b30879a0af682823c44e8eacf0dfa879bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06357",
    "kind": "arxiv",
    "version": 1
  }
}