Pith Number

pith:BOWCH3BL

pith:2016:BOWCH3BLZDXUO6HAOVL5BSIBDZ

not attested not anchored not stored refs pending

A survey of sparse representation: algorithms and applications

David Zhang, Jian Yang, Xuelong Li, Yong Xu, Zheng Zhang

arxiv:1602.07017 v1 · 2016-02-23 · cs.CV · 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{BOWCH3BLZDXUO6HAOVL5BSIBDZ}

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	2026-05-18T01:20:07.442839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bac23ec2bc8ef4778e07557d0c9011e7f66395bf21abc4ab4bdd53125a40670

Aliases

arxiv: 1602.07017 · arxiv_version: 1602.07017v1 · doi: 10.48550/arxiv.1602.07017 · pith_short_12: BOWCH3BLZDXU · pith_short_16: BOWCH3BLZDXUO6HA · pith_short_8: BOWCH3BL

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/BOWCH3BLZDXUO6HAOVL5BSIBDZ \
  | 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: 0bac23ec2bc8ef4778e07557d0c9011e7f66395bf21abc4ab4bdd53125a40670

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aaa7cb3135a89ca4897d64c57ce1bae54a8a328d9485c6b7fa4d0a538525f5a",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-02-23T02:44:53Z",
    "title_canon_sha256": "dc9e9a41afae73d1747b8fab93a4f1cbf84056fe07a47cb1cd3490eaa64ce316"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07017",
    "kind": "arxiv",
    "version": 1
  }
}