Pith Number

pith:Y6JEI33Y

pith:2013:Y6JEI33YUDVPRQRR2PBXAFZABW

not attested not anchored not stored refs pending

Sparse Recovery of Streaming Signals Using L1-Homotopy

Justin Romberg, M. Salman Asif

arxiv:1306.3331 v1 · 2013-06-14 · cs.IT · math.IT · math.OC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y6JEI33YUDVPRQRR2PBXAFZABW}

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	2026-05-18T03:20:57.834693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c792446f78a0eaf8c231d3c37017200da0e8fa72c4f7def34f5efa9c8952bd4f

Aliases

arxiv: 1306.3331 · arxiv_version: 1306.3331v1 · doi: 10.48550/arxiv.1306.3331 · pith_short_12: Y6JEI33YUDVP · pith_short_16: Y6JEI33YUDVPRQRR · pith_short_8: Y6JEI33Y

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/Y6JEI33YUDVPRQRR2PBXAFZABW \
  | 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: c792446f78a0eaf8c231d3c37017200da0e8fa72c4f7def34f5efa9c8952bd4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41d565352a3f068c9be91b59962afa2ee8fc6fbafe164f408e3598ecd4a1db13",
    "cross_cats_sorted": [
      "math.IT",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-06-14T08:35:44Z",
    "title_canon_sha256": "df544f4b79a800d1789c433fc8bf894da7a19e5b663ac288e669ecdf91179ae7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3331",
    "kind": "arxiv",
    "version": 1
  }
}