Pith Number

pith:LODUOOLT

pith:2018:LODUOOLT5VSXOB3H6NB3Q7MXI6

not attested not anchored not stored refs pending

Phase-stepping algorithms for synchronous demodulation of nonlinear phase-shifted fringes

Ivan Choque, Manuel Servin, Moises Padilla, Sotero Ordones

arxiv:1808.06551 v1 · 2018-08-02 · eess.SP · 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{LODUOOLT5VSXOB3H6NB3Q7MXI6}

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	2026-05-17T23:50:12.756221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b87473973ed65770767f343b87d9747a6fb129154fd0f3813994e927425fc37

Aliases

arxiv: 1808.06551 · arxiv_version: 1808.06551v1 · doi: 10.48550/arxiv.1808.06551 · pith_short_12: LODUOOLT5VSX · pith_short_16: LODUOOLT5VSXOB3H · pith_short_8: LODUOOLT

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/LODUOOLT5VSXOB3H6NB3Q7MXI6 \
  | 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: 5b87473973ed65770767f343b87d9747a6fb129154fd0f3813994e927425fc37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7a0376d7fb497a49c423d88726593b0cd4f82fa25c10fca43c701241bed225a",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-08-02T22:24:00Z",
    "title_canon_sha256": "ab7d7ef5dc641ccd41a4c1fd5954c25a17b01da9e4ef3c438b619cd2b4092fc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06551",
    "kind": "arxiv",
    "version": 1
  }
}