Pith Number

pith:WTSMQ4CH

pith:2011:WTSMQ4CHCHB6LPV5CKUZFSL4MW

not attested not anchored not stored refs pending

Implementing two-photon interference in the frequency domain with electro-optic phase modulators

Erik Woodhead, Isma\"el Mbodji, Jean-Marc Merolla, Johann Cussey, Kien Phan Huy, Laurent Olislager, Luca Furfaro, Philippe Emplit, Serge Massar

arxiv:1107.5519 v2 · 2011-07-27 · 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{WTSMQ4CHCHB6LPV5CKUZFSL4MW}

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	2026-05-18T03:15:57.936189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4e4c8704711c3e5bebd12a992c97c65a6ca7ac8b7fd7cf8e0f17960d12b8873

Aliases

arxiv: 1107.5519 · arxiv_version: 1107.5519v2 · doi: 10.48550/arxiv.1107.5519 · pith_short_12: WTSMQ4CHCHB6 · pith_short_16: WTSMQ4CHCHB6LPV5 · pith_short_8: WTSMQ4CH

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/WTSMQ4CHCHB6LPV5CKUZFSL4MW \
  | 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: b4e4c8704711c3e5bebd12a992c97c65a6ca7ac8b7fd7cf8e0f17960d12b8873

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7eab2081a49f08c27af637c64d6afe87d36583a56a31075092325923c4958de0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-07-27T16:24:09Z",
    "title_canon_sha256": "262cd537c87309579522d137fae90ecebaed7b065c4e834f643d85e14e2b9892"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5519",
    "kind": "arxiv",
    "version": 2
  }
}