Pith Number

pith:ARMWQXGD

pith:2007:ARMWQXGDQ6EWLDQKTIRU5Y4XSQ

not attested not anchored not stored refs pending

A single photon produces general W state of N qubits and its application

Chong Li, Di Mei, He-Shan Song

arxiv:quant-ph/0703176 v1 · 2007-03-19 · 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{ARMWQXGDQ6EWLDQKTIRU5Y4XSQ}

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	2026-05-18T01:37:53.537442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0459685cc38789658e0a9a234ee3979432aa54bbd00cdba74645be20818dbe03

Aliases

arxiv: quant-ph/0703176 · arxiv_version: quant-ph/0703176v1 · doi: 10.48550/arxiv.quant-ph/0703176 · pith_short_12: ARMWQXGDQ6EW · pith_short_16: ARMWQXGDQ6EWLDQK · pith_short_8: ARMWQXGD

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/ARMWQXGDQ6EWLDQKTIRU5Y4XSQ \
  | 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: 0459685cc38789658e0a9a234ee3979432aa54bbd00cdba74645be20818dbe03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28a562d0b0c0e15a94f554452ef60f75ff9737af623b7913a3aba53cc033717a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2007-03-19T15:10:10Z",
    "title_canon_sha256": "84f740778dad0756b291d680a5143486bed4c22eb0f2c503577350069f0c8deb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0703176",
    "kind": "arxiv",
    "version": 1
  }
}