Pith Number

pith:TOVGPWUG

pith:2014:TOVGPWUGW65DHMTTERHIHIZBGP

not attested not anchored not stored refs pending

A structured matrix factorization framework for large scale calcium imaging data analysis

Clay Lacefield, Daniel Soudry, David Pfau, Eftychios A. Pnevmatikakis, Kira Poskanzer, Liam Paninski, Rafael Yuste, Randy Bruno, Yuanjun Gao

arxiv:1409.2903 v1 · 2014-09-09 · q-bio.NC · q-bio.QM · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TOVGPWUGW65DHMTTERHIHIZBGP}

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	2026-05-18T02:43:08.782410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9baa67da86b7ba33b273244e83a32133d8b5a9d15d61a522c20183701d793598

Aliases

arxiv: 1409.2903 · arxiv_version: 1409.2903v1 · doi: 10.48550/arxiv.1409.2903 · pith_short_12: TOVGPWUGW65D · pith_short_16: TOVGPWUGW65DHMTT · pith_short_8: TOVGPWUG

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/TOVGPWUGW65DHMTTERHIHIZBGP \
  | 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: 9baa67da86b7ba33b273244e83a32133d8b5a9d15d61a522c20183701d793598

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "924a047b852f675fa7502d52f6a64473acfb18921845039d97a60c8d31133ff0",
    "cross_cats_sorted": [
      "q-bio.QM",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.NC",
    "submitted_at": "2014-09-09T21:25:59Z",
    "title_canon_sha256": "a3380fd4037083c61b5db617f5d6f624db65967457e11edd3989a1dbe8db372c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2903",
    "kind": "arxiv",
    "version": 1
  }
}