Pith Number

pith:MS4GVWOH

pith:2015:MS4GVWOHK6TLWX5X5WWPSLLZVP

not attested not anchored not stored refs pending

The recoverability limit for superresolution via sparsity

Laurent Demanet, Nam Nguyen

arxiv:1502.01385 v1 · 2015-02-04 · cs.IT · math.IT · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MS4GVWOHK6TLWX5X5WWPSLLZVP}

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.

Cited by

2 papers in Pith

Two-Point Resolution in Spectral Super-Resolution

On the exponential rate of the condition number of Fourier submatrices and Vandermonde matrices

Receipt and verification

First computed	2026-05-18T02:27:56.643412Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64b86ad9c757a6bb5fb7edacf92d79abf4a7ef0587cea039ef95ccc168dfaaa0

Aliases

arxiv: 1502.01385 · arxiv_version: 1502.01385v1 · doi: 10.48550/arxiv.1502.01385 · pith_short_12: MS4GVWOHK6TL · pith_short_16: MS4GVWOHK6TLWX5X · pith_short_8: MS4GVWOH

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/MS4GVWOHK6TLWX5X5WWPSLLZVP \
  | 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: 64b86ad9c757a6bb5fb7edacf92d79abf4a7ef0587cea039ef95ccc168dfaaa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "818077ab879168e672cc840cc1b9a292492e023f7f3096d106da067f6c869db9",
    "cross_cats_sorted": [
      "math.IT",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-02-04T22:43:10Z",
    "title_canon_sha256": "ebdf5ae4095c789022224f3f8ca71ed5ec21ea13d8e016c562d7a3a61d32399f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01385",
    "kind": "arxiv",
    "version": 1
  }
}