Pith Number

pith:C5I3PGI5

pith:2020:C5I3PGI54FG4OYVV7POQEB4DWH

not attested not anchored not stored refs pending

Sparseness-constrained Nonnegative Tensor Factorization for Detecting Topics at Different Time Scales

Alona Kryshchenko, Deanna Needell, Denali Molitor, Elizaveta Rebrova, Hanbaek Lyu, Jiahong Yuan, Lara Kassab

arxiv:2010.01600 v3 · 2020-10-04 · cs.IR · cs.NA · cs.SI · math.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{C5I3PGI54FG4OYVV7POQEB4DWH}

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	2026-07-05T06:46:42.084398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1751b7991de14dc762b5fbdd020783b1ceae6b82b53eb5dac0bd19b8b8d539f0

Aliases

arxiv: 2010.01600 · arxiv_version: 2010.01600v3 · doi: 10.48550/arxiv.2010.01600 · pith_short_12: C5I3PGI54FG4 · pith_short_16: C5I3PGI54FG4OYVV · pith_short_8: C5I3PGI5

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/C5I3PGI54FG4OYVV7POQEB4DWH \
  | 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: 1751b7991de14dc762b5fbdd020783b1ceae6b82b53eb5dac0bd19b8b8d539f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58cca36810931baa4cd1c532fb3926860ddd8a26b0f04efb00079236068eef81",
    "cross_cats_sorted": [
      "cs.NA",
      "cs.SI",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-10-04T15:20:05Z",
    "title_canon_sha256": "fc7865a2f97937212aa139ba13458adf6ca5aec2cd4011308cdb6c1ddef59164"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.01600",
    "kind": "arxiv",
    "version": 3
  }
}