Pith Number

pith:76UPCU2X

pith:2019:76UPCU2X3JOAH2S4FUCXZAK2IG

not attested not anchored not stored refs pending

Online Distributed Estimation of Principal Eigenspaces

Davoud Ataee Tarzanagh, George Michailidis, Mohamad Kazem Shirani Faradonbeh

arxiv:1905.07389 v1 · 2019-05-17 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{76UPCU2X3JOAH2S4FUCXZAK2IG}

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	2026-05-17T23:45:55.741162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffa8f15357da5c03ea5c2d057c815a4191c06184f3a8d0c2cc846af9a05e701c

Aliases

arxiv: 1905.07389 · arxiv_version: 1905.07389v1 · doi: 10.48550/arxiv.1905.07389 · pith_short_12: 76UPCU2X3JOA · pith_short_16: 76UPCU2X3JOAH2S4 · pith_short_8: 76UPCU2X

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/76UPCU2X3JOAH2S4FUCXZAK2IG \
  | 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: ffa8f15357da5c03ea5c2d057c815a4191c06184f3a8d0c2cc846af9a05e701c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "569bc77d278f64fc6e3c05db181f60ea38d1d22d5dd92042bf243622597c87da",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-05-17T17:37:54Z",
    "title_canon_sha256": "610b17e8a90788fec716f22a498faa7eebdc06c7648218fd45bc76cd278a8cb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.07389",
    "kind": "arxiv",
    "version": 1
  }
}