Pith Number

pith:2APPI6Z7

pith:2018:2APPI6Z7IJUWWSNLTLKTL5QQSM

not attested not anchored not stored refs pending

Two-photon processes based on quantum commutators

Filippo Fratini, Jos\'e-Paulo Santos, Laleh Safari, Pedro Amaro

arxiv:1801.06892 v1 · 2018-01-21 · quant-ph · physics.atm-clus · physics.atom-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{2APPI6Z7IJUWWSNLTLKTL5QQSM}

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	2026-05-18T00:17:41.037623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d01ef47b3f42696b49ab9ad535f610933ab3dd0c5a77b457f831f9100cb0358c

Aliases

arxiv: 1801.06892 · arxiv_version: 1801.06892v1 · doi: 10.48550/arxiv.1801.06892 · pith_short_12: 2APPI6Z7IJUW · pith_short_16: 2APPI6Z7IJUWWSNL · pith_short_8: 2APPI6Z7

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/2APPI6Z7IJUWWSNLTLKTL5QQSM \
  | 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: d01ef47b3f42696b49ab9ad535f610933ab3dd0c5a77b457f831f9100cb0358c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa1b55fb4a36b09181fb36462456bf48952524226a351334ad4235202692aac2",
    "cross_cats_sorted": [
      "physics.atm-clus",
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-01-21T21:05:45Z",
    "title_canon_sha256": "8fc6c82d7467909e6d65c9f713d168e169ad23ac97c9ea10898bd51603e5c7d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06892",
    "kind": "arxiv",
    "version": 1
  }
}