Pith Number

pith:B4S2DPMU

pith:2014:B4S2DPMUPIEKPL3M77FRI4AZZN

not attested not anchored not stored refs pending

Greedy metrics in orthogonal greedy learning

Jinshan Zeng, Lin Xu, Shaobo Lin, Zongben Xu

arxiv:1411.3553 v1 · 2014-11-13 · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B4S2DPMUPIEKPL3M77FRI4AZZN}

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	2026-05-18T02:37:43.476588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f25a1bd947a08a7af6cffcb147019cb789c1e02e2416419870242efb83eb687

Aliases

arxiv: 1411.3553 · arxiv_version: 1411.3553v1 · doi: 10.48550/arxiv.1411.3553 · pith_short_12: B4S2DPMUPIEK · pith_short_16: B4S2DPMUPIEKPL3M · pith_short_8: B4S2DPMU

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/B4S2DPMUPIEKPL3M77FRI4AZZN \
  | 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: 0f25a1bd947a08a7af6cffcb147019cb789c1e02e2416419870242efb83eb687

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8673ce178d934924aac09e90ef8a2551145abf5222671bf858af3fde5eaf3bf2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-11-13T14:26:11Z",
    "title_canon_sha256": "3210c0257215b8c165762587e208f58cdb267b915ebca10e37633caffb3285bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.3553",
    "kind": "arxiv",
    "version": 1
  }
}