Pith Number

pith:F5NPUONF

pith:2017:F5NPUONFDH6OHOHYGSQQMEJZIL

not attested not anchored not stored refs pending

Sparse phase retrieval of one-dimensional signals by Prony's method

Gerlind Plonka, Robert Beinert

arxiv:1701.08947 v1 · 2017-01-31 · math.NA · cs.IT · cs.NA · 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{F5NPUONFDH6OHOHYGSQQMEJZIL}

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	2026-06-04T18:10:27.068902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f5afa39a519fce3b8f834a106113942dcd53809fae9077fc185c2b83c154a6a

Aliases

arxiv: 1701.08947 · arxiv_version: 1701.08947v1 · doi: 10.48550/arxiv.1701.08947 · pith_short_12: F5NPUONFDH6O · pith_short_16: F5NPUONFDH6OHOHY · pith_short_8: F5NPUONF

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/F5NPUONFDH6OHOHYGSQQMEJZIL \
  | 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: 2f5afa39a519fce3b8f834a106113942dcd53809fae9077fc185c2b83c154a6a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c21805ba8782339619a8784fd7fefaf99b606164eb5360397a34697956569beb",
    "cross_cats_sorted": [
      "cs.IT",
      "cs.NA",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-01-31T08:53:42Z",
    "title_canon_sha256": "38affe3174c85f14c740c9d6987cdd4abd7344cf5c254e4552da1e537dd9955f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08947",
    "kind": "arxiv",
    "version": 1
  }
}