Pith Number

pith:QETIO4A3

pith:2016:QETIO4A335R6B2UJV7KYDSHV7S

not attested not anchored not stored refs pending

Object Classification with Joint Projection and Low-rank Dictionary Learning

Homa Foroughi, Hong Zhang, Nilanjan Ray

arxiv:1612.01594 v1 · 2016-12-05 · 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{QETIO4A335R6B2UJV7KYDSHV7S}

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	2026-05-18T00:55:48.103074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

812687701bdf63e0ea89afd581c8f5fc84b7c1f354cd3058e605fac45248431b

Aliases

arxiv: 1612.01594 · arxiv_version: 1612.01594v1 · doi: 10.48550/arxiv.1612.01594 · pith_short_12: QETIO4A335R6 · pith_short_16: QETIO4A335R6B2UJ · pith_short_8: QETIO4A3

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/QETIO4A335R6B2UJV7KYDSHV7S \
  | 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: 812687701bdf63e0ea89afd581c8f5fc84b7c1f354cd3058e605fac45248431b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25ea8287ef429dc81006605167706aaf56b2e17b0d54620986a26ff1de0a94a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-12-05T23:49:26Z",
    "title_canon_sha256": "c89f48e35bf5fe7311ee1d5739244e70e948d48109cb40259c7eff93e596ee44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01594",
    "kind": "arxiv",
    "version": 1
  }
}