Pith Number

pith:O2FHXOSJ

pith:2024:O2FHXOSJSZNV2CCZEWMC2MHZ5Y

not attested not anchored not stored refs pending

Non-negative Sparse Recovery at Minimal Sampling Rate

Hendrik Bernd Zarucha, Peter Jung

arxiv:2409.00503 v1 · 2024-08-31 · 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{O2FHXOSJSZNV2CCZEWMC2MHZ5Y}

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	2026-07-05T09:01:48.429078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

768a7bba49965b5d085925982d30f9ee10651ee158230a056dbc5687372b389c

Aliases

arxiv: 2409.00503 · arxiv_version: 2409.00503v1 · doi: 10.48550/arxiv.2409.00503 · pith_short_12: O2FHXOSJSZNV · pith_short_16: O2FHXOSJSZNV2CCZ · pith_short_8: O2FHXOSJ

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/O2FHXOSJSZNV2CCZEWMC2MHZ5Y \
  | 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: 768a7bba49965b5d085925982d30f9ee10651ee158230a056dbc5687372b389c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "810b1a494be3d12b631b0aac4d09e7f8ed99f4e5a668d6bd5d98af73ed6afd33",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2024-08-31T17:05:23Z",
    "title_canon_sha256": "6a14d4554919a7cf7412e3f6b06e9c855b1e5b104cc42fc756008b2eb64bd57f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.00503",
    "kind": "arxiv",
    "version": 1
  }
}