Pith Number

pith:PCVYY6IK

pith:2017:PCVYY6IKLCS6AVINQSHWSU5JMP

not attested not anchored not stored refs pending

Using PCA and Factor Analysis for Dimensionality Reduction of Bio-informatics Data

Abbas Rehman, Atif Mehmood, Javed Ferzund, M. Usman Ali, Shahzad Ahmed

arxiv:1707.07189 v1 · 2017-07-22 · q-bio.OT · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PCVYY6IKLCS6AVINQSHWSU5JMP}

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	2026-05-18T00:39:45.056116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78ab8c790a58a5e0550d848f6953a963eb87c86e67a58e2dfe646a4a5d644e3b

Aliases

arxiv: 1707.07189 · arxiv_version: 1707.07189v1 · doi: 10.48550/arxiv.1707.07189 · pith_short_12: PCVYY6IKLCS6 · pith_short_16: PCVYY6IKLCS6AVIN · pith_short_8: PCVYY6IK

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/PCVYY6IKLCS6AVINQSHWSU5JMP \
  | 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: 78ab8c790a58a5e0550d848f6953a963eb87c86e67a58e2dfe646a4a5d644e3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a37e326ba4e1ad09186f23307135e03104f26a8cd6e80d0d7057cee3a51bce84",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-bio.OT",
    "submitted_at": "2017-07-22T16:21:12Z",
    "title_canon_sha256": "2f845e9074c5eca24a9c7db85c15447e9269397aff0fa9101192ba99d38b7747"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07189",
    "kind": "arxiv",
    "version": 1
  }
}