Pith Number

pith:SEFG4USH

pith:2014:SEFG4USHD7NABRZT2MC6PI5VXV

not attested not anchored not stored refs pending

Phase modulation parallel optical delay detector for microwave angle-of-arrival measurement with accuracy monitored

A.M.J. Koonen, E. Tangdiongga, H.P.A. van den Boom, Q. Wang, R. Lu, Z. Cao

arxiv:1401.0621 v1 · 2014-01-03 · 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{SEFG4USHD7NABRZT2MC6PI5VXV}

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	2026-05-18T01:45:34.253406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

910a6e52471fda00c733d305e7a3b5bd6c9bfe6a099ab9083c98fed90b7cc606

Aliases

arxiv: 1401.0621 · arxiv_version: 1401.0621v1 · doi: 10.48550/arxiv.1401.0621 · pith_short_12: SEFG4USHD7NA · pith_short_16: SEFG4USHD7NABRZT · pith_short_8: SEFG4USH

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/SEFG4USHD7NABRZT2MC6PI5VXV \
  | 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: 910a6e52471fda00c733d305e7a3b5bd6c9bfe6a099ab9083c98fed90b7cc606

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d09389c92ea57f8061456eb9dc9ea59c31cd6843c4d2531b43c4c8096de8a73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-01-03T10:57:17Z",
    "title_canon_sha256": "60e03f14f5c395deba53e0d49aff03392051fec4a237280ee5d7edb475cb63ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0621",
    "kind": "arxiv",
    "version": 1
  }
}