Pith Number

pith:PZ3U2KEN

pith:2015:PZ3U2KENCNC3PTKKCTJPMJSPDZ

not attested not anchored not stored refs pending

Reconstruction of sparse wavelet signals from partial Fourier measurements

Cheng cheng, Qiyu Sun, Yang Chen

arxiv:1506.01871 v1 · 2015-06-05 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PZ3U2KENCNC3PTKKCTJPMJSPDZ}

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	2026-05-18T01:28:55.349413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e774d288d1345b7cd4a14d2f6264f1e4149ec5a5992e7220332bb420d42ac69

Aliases

arxiv: 1506.01871 · arxiv_version: 1506.01871v1 · doi: 10.48550/arxiv.1506.01871 · pith_short_12: PZ3U2KENCNC3 · pith_short_16: PZ3U2KENCNC3PTKK · pith_short_8: PZ3U2KEN

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/PZ3U2KENCNC3PTKKCTJPMJSPDZ \
  | 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: 7e774d288d1345b7cd4a14d2f6264f1e4149ec5a5992e7220332bb420d42ac69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1805d53bd0120c3acfc2859783a911693728e0129573cdda4935e19620b827da",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-06-05T11:30:58Z",
    "title_canon_sha256": "16b24906a3bf50487768fd2498c85d6b5e03c36de87fbaee6915318a81d0f06d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01871",
    "kind": "arxiv",
    "version": 1
  }
}