Pith Number

pith:GQABEXV4

pith:2016:GQABEXV47H6WVE3KW77DVIAIVO

not attested not anchored not stored refs pending

Joint Projection and Dictionary Learning using Low-rank Regularization and Graph Constraints

Homa Foroughi, Hong Zhang, Nilanjan Ray

arxiv:1603.07697 v2 · 2016-03-24 · 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{GQABEXV47H6WVE3KW77DVIAIVO}

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	2026-05-18T00:55:52.038018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3400125ebcf9fd6a936ab7fe3aa008ab83319ec8135188137f84955771a454d0

Aliases

arxiv: 1603.07697 · arxiv_version: 1603.07697v2 · doi: 10.48550/arxiv.1603.07697 · pith_short_12: GQABEXV47H6W · pith_short_16: GQABEXV47H6WVE3K · pith_short_8: GQABEXV4

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/GQABEXV47H6WVE3KW77DVIAIVO \
  | 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: 3400125ebcf9fd6a936ab7fe3aa008ab83319ec8135188137f84955771a454d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "985e43a2b3f660985dde485ec15e4c04d50ee0d2fd792337034f6933f632d3a7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-03-24T18:35:41Z",
    "title_canon_sha256": "9924742132d47432e5b9f9c542799dc0cd5f12ea96a7b5255feeaf8ee2886f9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07697",
    "kind": "arxiv",
    "version": 2
  }
}