Pith Number

pith:LZD3CR7E

pith:2016:LZD3CR7EB4ECCBTN7QKNO6QRCC

not attested not anchored not stored refs pending

Iterative Aggregation Method for Solving Principal Component Analysis Problems

Vitaly Bulgakov

arxiv:1602.08800 v1 · 2016-02-29 · cs.NA · cs.IR · 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{LZD3CR7EB4ECCBTN7QKNO6QRCC}

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.

Cited by

1 paper in Pith

Do Large Multimodal Models Solve Caption Generation for Scientific Figures? Lessons Learned from SciCap Challenge 2023

Receipt and verification

First computed	2026-05-18T01:19:51.921162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e47b147e40f0821066dfc14d77a1110bd6f76165507aa58d8d1222bca18af3c

Aliases

arxiv: 1602.08800 · arxiv_version: 1602.08800v1 · doi: 10.48550/arxiv.1602.08800 · pith_short_12: LZD3CR7EB4EC · pith_short_16: LZD3CR7EB4ECCBTN · pith_short_8: LZD3CR7E

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/LZD3CR7EB4ECCBTN7QKNO6QRCC \
  | 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: 5e47b147e40f0821066dfc14d77a1110bd6f76165507aa58d8d1222bca18af3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b13e71e3438be8f8d28b2e90b72797ebef099bc449eb9fa1c00cc188e679dfc2",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2016-02-29T02:40:05Z",
    "title_canon_sha256": "24018ddc8f4cc6be60a1fc07f1a2ad0dca723f5d43c821ec85a985aa0538380a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08800",
    "kind": "arxiv",
    "version": 1
  }
}