Pith Number

pith:KYPHV3B7

pith:2013:KYPHV3B7FQL3QRP5NJFFUGWKKD

not attested not anchored not stored refs pending

Topic Discovery through Data Dependent and Random Projections

Mohammad H. Rohban, Prakash Ishwar, Venkatesh Saligrama, Weicong Ding

arxiv:1303.3664 v2 · 2013-03-15 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KYPHV3B7FQL3QRP5NJFFUGWKKD}

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	2026-05-18T03:30:40.645289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

561e7aec3f2c17b845fd6a4a5a1aca50f9ab95f5d63df75aa78e422b4ab1a1d2

Aliases

arxiv: 1303.3664 · arxiv_version: 1303.3664v2 · doi: 10.48550/arxiv.1303.3664 · pith_short_12: KYPHV3B7FQL3 · pith_short_16: KYPHV3B7FQL3QRP5 · pith_short_8: KYPHV3B7

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/KYPHV3B7FQL3QRP5NJFFUGWKKD \
  | 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: 561e7aec3f2c17b845fd6a4a5a1aca50f9ab95f5d63df75aa78e422b4ab1a1d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3464c13d982b749092acfb7a5498e3ecd25e91133976aafd79a80d01547894c",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2013-03-15T02:37:19Z",
    "title_canon_sha256": "3e979a3463f3b9ae9e8c7d7a9dc87007fc3c2610b48b2a5d62a9267e4495dcff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3664",
    "kind": "arxiv",
    "version": 2
  }
}