Pith Number

pith:OINPCRY3

pith:2013:OINPCRY3BRD6FAK3E54ZMSG6KE

not attested not anchored not stored refs pending

On the optimality of a L1/L1 solver for sparse signal recovery from sparsely corrupted compressive measurements

Laurent Jacques

arxiv:1303.5097 v1 · 2013-03-20 · cs.IT · math.IT

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

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	2026-05-18T03:30:14.593320Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

721af1471b0c47e2815b27799648de5117f785ede3bc5e35c3e6f55afbae44c3

Aliases

arxiv: 1303.5097 · arxiv_version: 1303.5097v1 · doi: 10.48550/arxiv.1303.5097 · pith_short_12: OINPCRY3BRD6 · pith_short_16: OINPCRY3BRD6FAK3 · pith_short_8: OINPCRY3

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/OINPCRY3BRD6FAK3E54ZMSG6KE \
  | 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: 721af1471b0c47e2815b27799648de5117f785ede3bc5e35c3e6f55afbae44c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8e7c13fd861f83528c6b6801e0191863ffbcdac54b330cabb39034e24e03173",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-03-20T20:55:47Z",
    "title_canon_sha256": "fb8d949bafe3339e1845cf50aa00cc2c2ba08f619476fdd0ede28812da895023"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5097",
    "kind": "arxiv",
    "version": 1
  }
}