Pith Number

pith:2QWJJKEL

pith:2015:2QWJJKELV4N4XHHXSN46MSVIRJ

not attested not anchored not stored refs pending

On the effects of self- and cross-phase modulation on photon purity for four-wave mixing photon-pair sources

Alex McMillan, Bryn Bell, John Rarity, Will McCutcheon

arxiv:1504.03776 v1 · 2015-04-15 · quant-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QWJJKELV4N4XHHXSN46MSVIRJ}

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	2026-05-18T01:26:10.379816Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d42c94a88baf1bcb9cf79379e64aa88a619a51354585bddf5267492f41f8b09a

Aliases

arxiv: 1504.03776 · arxiv_version: 1504.03776v1 · doi: 10.48550/arxiv.1504.03776 · pith_short_12: 2QWJJKELV4N4 · pith_short_16: 2QWJJKELV4N4XHHX · pith_short_8: 2QWJJKEL

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/2QWJJKELV4N4XHHXSN46MSVIRJ \
  | 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: d42c94a88baf1bcb9cf79379e64aa88a619a51354585bddf5267492f41f8b09a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e17b16fc552c0d6a02882a53cce24725033387b19be3fcfa69f435187e284bd",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-15T03:19:48Z",
    "title_canon_sha256": "9833fcea53483326adab91cbdfa525e76c301d0f4b1ce99524cb800858dd6eff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03776",
    "kind": "arxiv",
    "version": 1
  }
}