Pith Number

pith:5ECHEPZP

pith:2015:5ECHEPZP66VDJE7QJWZE2TEEPI

not attested not anchored not stored refs pending

A "nearly parametric" solution to Selective Harmonic Elimination PWM

Bao-Xin Shang, Jing-Yi Chen, Na Lei, Shu-Gong Zhang

arxiv:1512.01341 v1 · 2015-12-04 · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ECHEPZP66VDJE7QJWZE2TEEPI}

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	2026-05-18T01:25:17.238541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e904723f2ff7aa3493f04db24d4c847a2058a784b38b2b6ad1f69422f6ebf00b

Aliases

arxiv: 1512.01341 · arxiv_version: 1512.01341v1 · doi: 10.48550/arxiv.1512.01341 · pith_short_12: 5ECHEPZP66VD · pith_short_16: 5ECHEPZP66VDJE7Q · pith_short_8: 5ECHEPZP

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/5ECHEPZP66VDJE7QJWZE2TEEPI \
  | 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: e904723f2ff7aa3493f04db24d4c847a2058a784b38b2b6ad1f69422f6ebf00b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3db090384f25bf94e66ca0f31b61f6388031a232a1ca621b53034c80deb4db0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-12-04T08:54:51Z",
    "title_canon_sha256": "72bcb5ee5b26f56eebbb3abb644fc28ac05b557b6d0d929b3d2a4d413ab3aaf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.01341",
    "kind": "arxiv",
    "version": 1
  }
}