Pith Number

pith:I5SMZQUN

pith:2017:I5SMZQUN4BAXRRZIKKLWGRRHXS

not attested not anchored not stored refs pending

Compressed sensing in Hilbert spaces

Gilles Puy, Mike Davies, R\'emi Gribonval (PANAMA), Yann Traonmilin (PANAMA)

arxiv:1702.04917 v2 · 2017-02-16 · 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{I5SMZQUN4BAXRRZIKKLWGRRHXS}

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	2026-05-18T00:40:13.328228Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4764ccc28de04178c7285297634627bc805083961792d98722a09452ddb629c3

Aliases

arxiv: 1702.04917 · arxiv_version: 1702.04917v2 · doi: 10.48550/arxiv.1702.04917 · pith_short_12: I5SMZQUN4BAX · pith_short_16: I5SMZQUN4BAXRRZI · pith_short_8: I5SMZQUN

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/I5SMZQUN4BAXRRZIKKLWGRRHXS \
  | 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: 4764ccc28de04178c7285297634627bc805083961792d98722a09452ddb629c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e9a397b908414c738e70ec7fa8671c1cebdb8453d98a88c4a499aeaf39bb7d8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-02-16T10:46:31Z",
    "title_canon_sha256": "f2cc34dc41913513194b54aaffb61b9b3507f074c3af0f835594496fef4aadaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.04917",
    "kind": "arxiv",
    "version": 2
  }
}