Pith Number

pith:ZXGZHB3C

pith:2016:ZXGZHB3CR6IMYRETJTTPV3U6BY

not attested not anchored not stored refs pending

Exact Dimensionality Reduction for Partial Line Spectra Estimation Problems

Maxime Ferreira Da Costa, Wei Dai

arxiv:1609.03142 v3 · 2016-09-11 · 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{ZXGZHB3CR6IMYRETJTTPV3U6BY}

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	2026-05-18T00:51:57.575959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdcd9387628f90cc44934ce6faee9e0e016863284e9c616d157cd892525d602d

Aliases

arxiv: 1609.03142 · arxiv_version: 1609.03142v3 · doi: 10.48550/arxiv.1609.03142 · pith_short_12: ZXGZHB3CR6IM · pith_short_16: ZXGZHB3CR6IMYRET · pith_short_8: ZXGZHB3C

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/ZXGZHB3CR6IMYRETJTTPV3U6BY \
  | 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: cdcd9387628f90cc44934ce6faee9e0e016863284e9c616d157cd892525d602d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86c039c3bb462f6072e226d9d7d191513999cfb419299563424e8420dba196ea",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-09-11T10:01:02Z",
    "title_canon_sha256": "af1b98bb7b646a279606618ee2dbb0dc916786af8a88cba22052c470169dedb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03142",
    "kind": "arxiv",
    "version": 3
  }
}