Pith Number

pith:VILBPKKN

pith:2023:VILBPKKNSAQJMSZRD4EZ2L23CY

not attested not anchored not stored refs pending

Householder Projector for Unsupervised Latent Semantics Discovery

Jichao Zhang, Nicu Sebe, Wei Wang, Yue Song

arxiv:2307.08012 v1 · 2023-07-16 · 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{VILBPKKNSAQJMSZRD4EZ2L23CY}

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	2026-07-05T06:31:18.846224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa1617a94d9020964b311f099d2f5b161a1d4df32802e1119b74e3e62cff8f47

Aliases

arxiv: 2307.08012 · arxiv_version: 2307.08012v1 · doi: 10.48550/arxiv.2307.08012 · pith_short_12: VILBPKKNSAQJ · pith_short_16: VILBPKKNSAQJMSZR · pith_short_8: VILBPKKN

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/VILBPKKNSAQJMSZRD4EZ2L23CY \
  | 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: aa1617a94d9020964b311f099d2f5b161a1d4df32802e1119b74e3e62cff8f47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b049614adc63d31f3864893ad6e212e8257302f74e50da45cc32e5284a7e110b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-07-16T11:43:04Z",
    "title_canon_sha256": "9421a042d4b6cd57d3d9f69e13062a2d7cd8d706c3a078c0e0ef93ff5f3ccba3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.08012",
    "kind": "arxiv",
    "version": 1
  }
}