Pith Number

pith:DSMSMWDF

pith:2019:DSMSMWDFE4WBD5P2X467C3VCML

not attested not anchored not stored refs pending

Quantum filtering for a two-level atom driven by two counter-propagating photons

Guofeng Zhang, Nina H. Amini, Zhiyuan Dong

arxiv:1903.05307 v1 · 2019-03-13 · quant-ph · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DSMSMWDFE4WBD5P2X467C3VCML}

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	2026-05-17T23:51:24.705094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c99265865272c11f5fabf3df16ea262d72caed78e92f2140cd63b0db36ef97c

Aliases

arxiv: 1903.05307 · arxiv_version: 1903.05307v1 · doi: 10.48550/arxiv.1903.05307 · pith_short_12: DSMSMWDFE4WB · pith_short_16: DSMSMWDFE4WBD5P2 · pith_short_8: DSMSMWDF

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/DSMSMWDFE4WBD5P2X467C3VCML \
  | 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: 1c99265865272c11f5fabf3df16ea262d72caed78e92f2140cd63b0db36ef97c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af6ba936f0eb0522334f62cfbaa6b96f267f546b2d25f3b431f812dfcce5da61",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-03-13T04:30:46Z",
    "title_canon_sha256": "8a72cb46e9fe267f2d09f3eae7452b232049ec22ab20db1c37bfbf9f55a675e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05307",
    "kind": "arxiv",
    "version": 1
  }
}