Pith Number

pith:4SD62NL5

pith:2011:4SD62NL5WBQAAHFPKRGYIWOP2L

not attested not anchored not stored refs pending

Cartesian and polar Schmidt bases for down-converted photons

Alison M. Yao, Filippo M. Miatto, Thomas Brougham

arxiv:1111.6449 v3 · 2011-11-28 · 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{4SD62NL5WBQAAHFPKRGYIWOP2L}

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	2026-05-18T03:49:45.672101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e487ed357db060001caf544d8459cfd2ee9ea6f6532d04c467d1ed7004f0c941

Aliases

arxiv: 1111.6449 · arxiv_version: 1111.6449v3 · doi: 10.48550/arxiv.1111.6449 · pith_short_12: 4SD62NL5WBQA · pith_short_16: 4SD62NL5WBQAAHFP · pith_short_8: 4SD62NL5

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/4SD62NL5WBQAAHFPKRGYIWOP2L \
  | 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: e487ed357db060001caf544d8459cfd2ee9ea6f6532d04c467d1ed7004f0c941

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc75f3d16043ec2f37a94b6d284c71865bddaef94159754370f485c73075bcdc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-11-28T14:18:29Z",
    "title_canon_sha256": "992ac9764a5cbf5e522b4251016470266601d2f9e0f41666842a3a2e4b637d9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6449",
    "kind": "arxiv",
    "version": 3
  }
}