Pith Number

pith:IG2FH2Y3

pith:2019:IG2FH2Y3HH6RHHCDMGDX7O27G2

not attested not anchored not stored refs pending

The Use of Mutual Coherence to Prove $\ell^1/\ell^0$-Equivalence in Classification Problems

Chelsea Weaver, Naoki Saito

arxiv:1901.02783 v1 · 2019-01-09 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IG2FH2Y3HH6RHHCDMGDX7O27G2}

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	2026-05-17T23:56:39.457242Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41b453eb1b39fd139c4361877fbb5f3695dee61fe7c2550140412550c4d4e723

Aliases

arxiv: 1901.02783 · arxiv_version: 1901.02783v1 · doi: 10.48550/arxiv.1901.02783 · pith_short_12: IG2FH2Y3HH6R · pith_short_16: IG2FH2Y3HH6RHHCD · pith_short_8: IG2FH2Y3

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/IG2FH2Y3HH6RHHCDMGDX7O27G2 \
  | 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: 41b453eb1b39fd139c4361877fbb5f3695dee61fe7c2550140412550c4d4e723

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79a972cf6a1ef8b22ca48978240f808c65599e765e351b6e30295d8d5398bcc1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-09T15:38:32Z",
    "title_canon_sha256": "923097bca3437f525d20ad1f60dad8b397152a4a24246c16c4c49e3dfefb48d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02783",
    "kind": "arxiv",
    "version": 1
  }
}