Pith Number

pith:I47K5QSM

pith:2009:I47K5QSMUY5YGYJO5OLV7KSGAV

not attested not anchored not stored refs pending

Analytic solutions for a three-level system in a time-dependent field

Jan Naudts, Winny O'Kelly de Galway

arxiv:0912.4594 v1 · 2009-12-23 · 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{I47K5QSMUY5YGYJO5OLV7KSGAV}

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	2026-05-18T02:20:00.784892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

473eaec24ca63b83612eeb975faa46055bf998d76a9e4f207c2744bb4c259e90

Aliases

arxiv: 0912.4594 · arxiv_version: 0912.4594v1 · doi: 10.48550/arxiv.0912.4594 · pith_short_12: I47K5QSMUY5Y · pith_short_16: I47K5QSMUY5YGYJO · pith_short_8: I47K5QSM

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/I47K5QSMUY5YGYJO5OLV7KSGAV \
  | 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: 473eaec24ca63b83612eeb975faa46055bf998d76a9e4f207c2744bb4c259e90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92c729c1a10015ce4b5b7e830f73023cdc444a24b62e5d61de121e4979524d9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-12-23T10:11:36Z",
    "title_canon_sha256": "3160594d8ccaf24250b0e588c5ec2d1a3f38108e75955828ac8b8a6bac092ee5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4594",
    "kind": "arxiv",
    "version": 1
  }
}