Pith Number

pith:RQ6ZIHIO

pith:2005:RQ6ZIHIOPYHRVA2DZUEYVFRECF

not attested not anchored not stored refs pending

Observation of polarization quantum noise of laser radiation in Rb vapor cell

2, 3), Alexander S. Zibrov (1, Cambridge MA (2) Harvard-Smithsonian center for Astrophysics (3) Lebedev Institute of Physics, Harvard Univ., Irina Novikova (2) ((1) Department of Physics, Moscow, Russia)

arxiv:quant-ph/0508220 v1 · 2005-08-29 · 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{RQ6ZIHIOPYHRVA2DZUEYVFRECF}

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	2026-05-18T01:37:57.506829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c3d941d0e7e0f1a8343cd098a96241174d9d0996abcf1c905813578320a8b87

Aliases

arxiv: quant-ph/0508220 · arxiv_version: quant-ph/0508220v1 · doi: 10.48550/arxiv.quant-ph/0508220 · pith_short_12: RQ6ZIHIOPYHR · pith_short_16: RQ6ZIHIOPYHRVA2D · pith_short_8: RQ6ZIHIO

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/RQ6ZIHIOPYHRVA2DZUEYVFRECF \
  | 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: 8c3d941d0e7e0f1a8343cd098a96241174d9d0996abcf1c905813578320a8b87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "907720ede3373a67719160bb1105e1231f416c7dfbbe8d64d65793aeeedf214e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-08-29T19:30:26Z",
    "title_canon_sha256": "d32408838c7941d2358bff33a49800d1fba14021461345aeb45767deb71d34f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0508220",
    "kind": "arxiv",
    "version": 1
  }
}