Pith Number

pith:PXSFYZHJ

pith:2005:PXSFYZHJZ6CRAGWROZNKU2DWXC

not attested not anchored not stored refs pending

Engineering of multi-dimensional entangled states of photon pairs using hyper-entanglement

Chuan-Feng Li, Guang-Can Guo, Guo-Ping Guo, Jian Li, Xi-Feng Ren

arxiv:quant-ph/0502003 v1 · 2005-02-01 · 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{PXSFYZHJZ6CRAGWROZNKU2DWXC}

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	2026-05-18T01:37:58.024521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7de45c64e9cf85101ad1765aaa6876b886975081edcc5aafe86a7de296a3867a

Aliases

arxiv: quant-ph/0502003 · arxiv_version: quant-ph/0502003v1 · doi: 10.48550/arxiv.quant-ph/0502003 · pith_short_12: PXSFYZHJZ6CR · pith_short_16: PXSFYZHJZ6CRAGWR · pith_short_8: PXSFYZHJ

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/PXSFYZHJZ6CRAGWROZNKU2DWXC \
  | 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: 7de45c64e9cf85101ad1765aaa6876b886975081edcc5aafe86a7de296a3867a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71953ed1a95e724fffecc1b8d99606a086a214ddc3d5de3c93cf18305316bf1c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-02-01T07:18:27Z",
    "title_canon_sha256": "8403bfa939a6b361ff17fd5b0cfbbf6b84fb86c6eecacf969906ff62e393c830"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0502003",
    "kind": "arxiv",
    "version": 1
  }
}