Pith Number

pith:CFBQWUL3

pith:2015:CFBQWUL3TX6VVJCH76VSTB64YG

not attested not anchored not stored refs pending

A new result of the scaling law of weighted L1 minimization

Jun Zhang, Kuan-Wen Huang, Nicolo Michelusi, Urbashi Mitra

arxiv:1509.07947 v1 · 2015-09-26 · 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{CFBQWUL3TX6VVJCH76VSTB64YG}

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	2026-05-18T01:31:55.058380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11430b517b9dfd5aa447ffab2987dcc19fdbcab5bfaf7b12c2f072af391f7b0d

Aliases

arxiv: 1509.07947 · arxiv_version: 1509.07947v1 · doi: 10.48550/arxiv.1509.07947 · pith_short_12: CFBQWUL3TX6V · pith_short_16: CFBQWUL3TX6VVJCH · pith_short_8: CFBQWUL3

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/CFBQWUL3TX6VVJCH76VSTB64YG \
  | 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: 11430b517b9dfd5aa447ffab2987dcc19fdbcab5bfaf7b12c2f072af391f7b0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19cf883e8f8fa7d6cd52aec90115c3eeb8bc8bebda151927c15ff2593669bbfd",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-09-26T05:43:17Z",
    "title_canon_sha256": "8efe62e310196fa79c1ea3abf01743e782d4f2952e1417382a76501d89f30f79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07947",
    "kind": "arxiv",
    "version": 1
  }
}