Pith Number

pith:7VW4MOLL

pith:2019:7VW4MOLLSODZVJPXNSC3ZT6CR5

not attested not anchored not stored refs pending

Decomposing Temperature Time Series with Non-Negative Matrix Factorization

Ana Maria Tom\'e, Elmar Wolfgang Lang, Peter Weiderer

arxiv:1904.02217 v1 · 2019-04-03 · cs.LG · cs.CV · physics.app-ph · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7VW4MOLLSODZVJPXNSC3ZT6CR5}

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	2026-05-17T23:49:24.200209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd6dc6396b93879aa5f76c85bccfc28f524c59d910d2bda34fe20c5bdcc5150d

Aliases

arxiv: 1904.02217 · arxiv_version: 1904.02217v1 · doi: 10.48550/arxiv.1904.02217 · pith_short_12: 7VW4MOLLSODZ · pith_short_16: 7VW4MOLLSODZVJPX · pith_short_8: 7VW4MOLL

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/7VW4MOLLSODZVJPXNSC3ZT6CR5 \
  | 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: fd6dc6396b93879aa5f76c85bccfc28f524c59d910d2bda34fe20c5bdcc5150d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e88f5bf8fc08bb3dc1ae934ec4431b33f2721491832c373a8d98e59666cd2d7",
    "cross_cats_sorted": [
      "cs.CV",
      "physics.app-ph",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-04-03T19:46:56Z",
    "title_canon_sha256": "3e513f41eea59950e962585220d10d6c2775813d6999e2aef6b67dd07bedd584"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02217",
    "kind": "arxiv",
    "version": 1
  }
}