Pith Number

pith:UGPMMML2

pith:2018:UGPMMML2CUN7YSM2FED6NNSIRO

not attested not anchored not stored refs pending

An Enhancement Algorithm of Cyclic Adaptive Fourier Decomposition

Jianzhong Wang, Tao Qian

arxiv:1803.08422 v2 · 2018-03-22 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UGPMMML2CUN7YSM2FED6NNSIRO}

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	2026-05-18T00:16:36.287374Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a19ec6317a151bfc499a2907e6b6488b984d36339367b5bbed0864fc4dd2d89e

Aliases

arxiv: 1803.08422 · arxiv_version: 1803.08422v2 · doi: 10.48550/arxiv.1803.08422 · pith_short_12: UGPMMML2CUN7 · pith_short_16: UGPMMML2CUN7YSM2 · pith_short_8: UGPMMML2

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/UGPMMML2CUN7YSM2FED6NNSIRO \
  | 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: a19ec6317a151bfc499a2907e6b6488b984d36339367b5bbed0864fc4dd2d89e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e860eac124fc00f9add3615cffa1f479bf7804a2f597c5c5427926c85071f42a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2018-03-22T15:59:23Z",
    "title_canon_sha256": "62b60aa603eb6c443c6599765a403bfb96f7d085901e6741f52121c97bc52a85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08422",
    "kind": "arxiv",
    "version": 2
  }
}