Pith Number

pith:OOCA2JHU

pith:2017:OOCA2JHUXQ3BZORDU3CLJENJQL

not attested not anchored not stored refs pending

SPARTan: Scalable PARAFAC2 for Large & Sparse Data

Elizabeth Searles, Evangelos E. Papalexakis, Fei Wang, Ioakeim Perros, Jimeng Sun, Michael Thompson, Richard Vuduc

arxiv:1703.04219 v1 · 2017-03-13 · cs.LG · 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{OOCA2JHUXQ3BZORDU3CLJENJQL}

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	2026-05-18T00:48:49.403137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73840d24f4bc361cba23a6c4b491a982d45623dd3192cd8e6204baad2e582d4a

Aliases

arxiv: 1703.04219 · arxiv_version: 1703.04219v1 · doi: 10.48550/arxiv.1703.04219 · pith_short_12: OOCA2JHUXQ3B · pith_short_16: OOCA2JHUXQ3BZORD · pith_short_8: OOCA2JHU

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/OOCA2JHUXQ3BZORDU3CLJENJQL \
  | 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: 73840d24f4bc361cba23a6c4b491a982d45623dd3192cd8e6204baad2e582d4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a09030e8fa4108a7f3c97c41dab0ad7ae856ce48f024f22eec4c7900bb95b165",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-03-13T01:38:56Z",
    "title_canon_sha256": "07ba705b4c712f26da63879094b79317371a764f8d9b0889796e37bffc0850f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04219",
    "kind": "arxiv",
    "version": 1
  }
}