Pith Number

pith:OHFC3MUN

pith:2008:OHFC3MUN32V5QXUZPATB2YJTYS

not attested not anchored not stored refs pending

Two and four-level systems in magnetic fields restricted in time

A.D. Levin, D.M. Gitman, M.C. Baldiotti, V.G. Bagrov

arxiv:0803.0299 v3 · 2008-03-03 · 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{OHFC3MUN32V5QXUZPATB2YJTYS}

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	2026-05-18T02:45:38.777686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71ca2db28ddeabd85e9978261d6133c48b884c15448050ca7cbf583aaded27b3

Aliases

arxiv: 0803.0299 · arxiv_version: 0803.0299v3 · doi: 10.48550/arxiv.0803.0299 · pith_short_12: OHFC3MUN32V5 · pith_short_16: OHFC3MUN32V5QXUZ · pith_short_8: OHFC3MUN

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/OHFC3MUN32V5QXUZPATB2YJTYS \
  | 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: 71ca2db28ddeabd85e9978261d6133c48b884c15448050ca7cbf583aaded27b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "742ac8323d835a9f7b33c07e021362b89756a4c7a4e468fb8947506e2bd2fe24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-03-03T18:37:10Z",
    "title_canon_sha256": "62eb0f4818459102a0b8dd7a2891f999c0cbff69048db9b8a565f20e2b23e6eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.0299",
    "kind": "arxiv",
    "version": 3
  }
}