Pith Number

pith:ARQ7FK7W

pith:2017:ARQ7FK7W7WZQYC33L6NN4HACT5

not attested not anchored not stored refs pending

Distributed rank-1 dictionary learning: Towards fast and scalable solutions for fMRI big data analytics

Binbin Lin, Jieping Ye, Milad Makkie, Mojtaba Sedigh Fazli, Shannon Quinn, Tianming Liu, Xiang Li

arxiv:1708.02638 v1 · 2017-08-08 · cs.DS · cs.DC · q-bio.NC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ARQ7FK7W7WZQYC33L6NN4HACT5}

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	2026-05-18T00:38:20.122598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0461f2abf6fdb30c0b7b5f9ade1c029f75f55b30725d9ba7ae49a961ecbed628

Aliases

arxiv: 1708.02638 · arxiv_version: 1708.02638v1 · doi: 10.48550/arxiv.1708.02638 · pith_short_12: ARQ7FK7W7WZQ · pith_short_16: ARQ7FK7W7WZQYC33 · pith_short_8: ARQ7FK7W

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/ARQ7FK7W7WZQYC33L6NN4HACT5 \
  | 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: 0461f2abf6fdb30c0b7b5f9ade1c029f75f55b30725d9ba7ae49a961ecbed628

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3193f4ff4740684a5a3d5dd69853e6df3f8a66e8d117f7e3806d8cde83ef5aae",
    "cross_cats_sorted": [
      "cs.DC",
      "q-bio.NC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2017-08-08T20:11:35Z",
    "title_canon_sha256": "e6025ef63b57436cdf4ea5b8230f1c2bcfe3be3aeb36d15190209efe3cccb805"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02638",
    "kind": "arxiv",
    "version": 1
  }
}