Pith Number

pith:U3AKPQVP

pith:2005:U3AKPQVPMVO4KD5UWKS3Y5ZX6Q

not attested not anchored not stored refs pending

Generation of entangled photons by trapped ions in microcavities under a magnetic field gradient

K.L. Gao, M. Feng, Z.J. Deng

arxiv:quant-ph/0509138 v1 · 2005-09-21 · 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{U3AKPQVPMVO4KD5UWKS3Y5ZX6Q}

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	2026-05-18T01:05:02.796572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6c0a7c2af655dc50fb4b2a5bc7737f433c6877424205cd26e17464e20d4b762

Aliases

arxiv: quant-ph/0509138 · arxiv_version: quant-ph/0509138v1 · doi: 10.48550/arxiv.quant-ph/0509138 · pith_short_12: U3AKPQVPMVO4 · pith_short_16: U3AKPQVPMVO4KD5U · pith_short_8: U3AKPQVP

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/U3AKPQVPMVO4KD5UWKS3Y5ZX6Q \
  | 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: a6c0a7c2af655dc50fb4b2a5bc7737f433c6877424205cd26e17464e20d4b762

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f22c9dde440e612ef742fde08d77d1f0c299c7e42303f65446266a21fe8957f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-09-21T02:01:25Z",
    "title_canon_sha256": "f1276cd4e93f4752340a5581596e4b67de019f40a6f775e428040a9e5d6aec66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0509138",
    "kind": "arxiv",
    "version": 1
  }
}