Pith Number

pith:CTHCC4BM

pith:2026:CTHCC4BMFUT5YZLF46JB6BFQO3

not attested not anchored not stored refs pending

Signed network models for dimensionality reduction of portfolio optimization

Bibhas Adhikari

arxiv:2602.21362 v2 · 2026-02-24 · math.CO · 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{CTHCC4BMFUT5YZLF46JB6BFQO3}

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	2026-05-28T01:04:07.985495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14ce21702c2d27dc6565e7921f04b076e77cd2dfc370c36eee680a82021011ef

Aliases

arxiv: 2602.21362 · arxiv_version: 2602.21362v2 · doi: 10.48550/arxiv.2602.21362 · pith_short_12: CTHCC4BMFUT5 · pith_short_16: CTHCC4BMFUT5YZLF · pith_short_8: CTHCC4BM

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/CTHCC4BMFUT5YZLF46JB6BFQO3 \
  | 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: 14ce21702c2d27dc6565e7921f04b076e77cd2dfc370c36eee680a82021011ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a40af780b76dbe6814f7a798ad78fe89da4455ad4e1f81ab9e6fdacd1e9b0bf4",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-02-24T20:46:46Z",
    "title_canon_sha256": "e956ff7cedef1f71035079002b16f92d9c63d4c852cbdcc100ed3cd525dda445"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.21362",
    "kind": "arxiv",
    "version": 2
  }
}