Pith Number

pith:AJVM2WCZ

pith:2012:AJVM2WCZYLZS3RMRX7W42XS4BL

not attested not anchored not stored refs pending

Fixed-Rank Representation for Unsupervised Visual Learning

Fernando De la Torre, Risheng Liu, Zhixun Su, Zhouchen Lin

arxiv:1203.2210 v2 · 2012-03-09 · cs.CV · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AJVM2WCZYLZS3RMRX7W42XS4BL}

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	2026-05-18T03:57:40.175550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

026acd5859c2f32dc591bfedcd5e5c0af02aa71a80978f349cc8640ccb6884d7

Aliases

arxiv: 1203.2210 · arxiv_version: 1203.2210v2 · doi: 10.48550/arxiv.1203.2210 · pith_short_12: AJVM2WCZYLZS · pith_short_16: AJVM2WCZYLZS3RMR · pith_short_8: AJVM2WCZ

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/AJVM2WCZYLZS3RMRX7W42XS4BL \
  | 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: 026acd5859c2f32dc591bfedcd5e5c0af02aa71a80978f349cc8640ccb6884d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e43d31e06a499b52f13b64fadaae91c6fb5e337417db569fc4e11eead0aa6d4b",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-03-09T23:35:52Z",
    "title_canon_sha256": "b8dc3fd37149dc6fafd5632a2e91000d0d3e2b3d52c4f317bb58ad30c6c87063"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2210",
    "kind": "arxiv",
    "version": 2
  }
}