Pith Number

pith:STZJRPZ3

pith:2004:STZJRPZ3Y2UPEVCZ4LL7JEFP57

not attested not anchored not stored refs pending

Error Probability of DPSK Signals with Intrachannel Four-Wave-Mixing in Highly Dispersive Transmission Systems

Keang-Po Ho

arxiv:physics/0406069 v2 · 2004-06-16 · 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{STZJRPZ3Y2UPEVCZ4LL7JEFP57}

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	2026-05-18T03:36:27.283904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

94f298bf3bc6a8f25459e2d7f490afefc7b2363964e95a623fe55b8d10e540c1

Aliases

arxiv: physics/0406069 · arxiv_version: physics/0406069v2 · doi: 10.48550/arxiv.physics/0406069 · pith_short_12: STZJRPZ3Y2UP · pith_short_16: STZJRPZ3Y2UPEVCZ · pith_short_8: STZJRPZ3

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/STZJRPZ3Y2UPEVCZ4LL7JEFP57 \
  | 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: 94f298bf3bc6a8f25459e2d7f490afefc7b2363964e95a623fe55b8d10e540c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3956d7e688e4e8e4e082451f05facd52a264ae467f084cd19ebfd3c939f5f851",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2004-06-16T06:43:35Z",
    "title_canon_sha256": "9d850237136fa499669f778f806571e7dc1a7b2966ebab575dd821fb704c47cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0406069",
    "kind": "arxiv",
    "version": 2
  }
}