Pith Number

pith:2DDYXFL3

pith:2019:2DDYXFL3LWSJLNHXMQOO2BRWUE

not attested not anchored not stored refs pending

Scalable Block-Diagonal Locality-Constrained Projective Dictionary Learning

Guangcan Liu, Jie Qin, Sheng Li, Weiming Jiang, Zhao Zhang, Zheng Zhang

arxiv:1905.10568 v1 · 2019-05-25 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2DDYXFL3LWSJLNHXMQOO2BRWUE}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:45:08.081302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0c78b957b5da495b4f7641ced0636a122625b78109b7a4d1eb6e72cc3ec5c8a

Aliases

arxiv: 1905.10568 · arxiv_version: 1905.10568v1 · doi: 10.48550/arxiv.1905.10568 · pith_short_12: 2DDYXFL3LWSJ · pith_short_16: 2DDYXFL3LWSJLNHX · pith_short_8: 2DDYXFL3

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/2DDYXFL3LWSJLNHXMQOO2BRWUE \
  | 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: d0c78b957b5da495b4f7641ced0636a122625b78109b7a4d1eb6e72cc3ec5c8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "882d9a98dcb019e78fc076081eaa979dd5e19fcfcc791e89e4dbe4226342ae10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-05-25T10:36:53Z",
    "title_canon_sha256": "079475f51640612df30e2c1612edf5a1cde926d1d86f49a64805fc9ddcfc3bb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.10568",
    "kind": "arxiv",
    "version": 1
  }
}