Pith Number

pith:UPCNSTK2

pith:2015:UPCNSTK2DNTRTDCANTOAPCQ7J4

not attested not anchored not stored refs pending

Robust recovery of complex exponential signals from random Gaussian projections via low rank Hankel matrix reconstruction

Gui-Bo Ye, Jian-Feng Cai, Weiyu Xu, Xiaobo Qu

arxiv:1503.02893 v1 · 2015-03-10 · cs.IT · math.IT · math.NA · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UPCNSTK2DNTRTDCANTOAPCQ7J4}

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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	2026-05-18T02:25:12.820918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3c4d94d5a1b67198c406cdc078a1f4f32b7795602dc06ffb7ef14b6ae9f3c63

Aliases

arxiv: 1503.02893 · arxiv_version: 1503.02893v1 · doi: 10.48550/arxiv.1503.02893 · pith_short_12: UPCNSTK2DNTR · pith_short_16: UPCNSTK2DNTRTDCA · pith_short_8: UPCNSTK2

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/UPCNSTK2DNTRTDCANTOAPCQ7J4 \
  | 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: a3c4d94d5a1b67198c406cdc078a1f4f32b7795602dc06ffb7ef14b6ae9f3c63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42b4ba87084bf3e3cb49f9c8afe3de82bf40efa2fd6a30d555db8d00b2893fb7",
    "cross_cats_sorted": [
      "math.IT",
      "math.NA",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-03-10T13:16:45Z",
    "title_canon_sha256": "16bd5eefff61e82825add5e6feb10e529b669a91cdca2e16ab2b2881da43f03e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02893",
    "kind": "arxiv",
    "version": 1
  }
}