Pith Number

pith:HIRD7CKB

pith:2021:HIRD7CKB4WAPRYTTQF63DFVPCD

not attested not anchored not stored refs pending

Learning quantum phases via single-qubit disentanglement

Chenfeng Cao, Cheng-Qian Xu, D. L. Zhou, Zheng An

arxiv:2107.03542 v4 · 2021-07-08 · 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{HIRD7CKB4WAPRYTTQF63DFVPCD}

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	2026-07-05T08:46:50.129384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a223f8941e580f8e273817db196af10eeae823a4920d796bc77a9ffc73f20bf

Aliases

arxiv: 2107.03542 · arxiv_version: 2107.03542v4 · doi: 10.48550/arxiv.2107.03542 · pith_short_12: HIRD7CKB4WAP · pith_short_16: HIRD7CKB4WAPRYTT · pith_short_8: HIRD7CKB

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/HIRD7CKB4WAPRYTTQF63DFVPCD \
  | 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: 3a223f8941e580f8e273817db196af10eeae823a4920d796bc77a9ffc73f20bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b671b3223b69b47da82f6834381576db0c3eb8a8526b6726660ff5deb076c880",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-07-08T00:15:31Z",
    "title_canon_sha256": "1fcfd969d252017711c748262b722e8e3ed9f51ce1c3fe7c2c3b0390a3c6ab38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.03542",
    "kind": "arxiv",
    "version": 4
  }
}