Pith Number

pith:NDB7TDI2

pith:2014:NDB7TDI2NKIDN4OFZB6QYC7XSW

not attested not anchored not stored refs pending

Portfolio Selection Under Buy-In Threshold Constraints Using DC Programming and DCA

Hoai An Le Thi, Mahdi Moeini

arxiv:1404.3329 v1 · 2014-04-12 · 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{NDB7TDI2NKIDN4OFZB6QYC7XSW}

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	2026-05-18T00:57:51.968081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68c3f98d1a6a9036f1c5c87d0c0bf795a5619abeaddbc7c247d46b9cc1be6f69

Aliases

arxiv: 1404.3329 · arxiv_version: 1404.3329v1 · doi: 10.48550/arxiv.1404.3329 · pith_short_12: NDB7TDI2NKID · pith_short_16: NDB7TDI2NKIDN4OF · pith_short_8: NDB7TDI2

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/NDB7TDI2NKIDN4OFZB6QYC7XSW \
  | 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: 68c3f98d1a6a9036f1c5c87d0c0bf795a5619abeaddbc7c247d46b9cc1be6f69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "821f846c1c65dcfae6560a0fbf942a52b6744f3978332d1c68ba5ae466454d62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2014-04-12T23:50:21Z",
    "title_canon_sha256": "de4eab674fef6253f7b40b0fb58faed4095cad675d716dbdd2c1296d2a66d45a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3329",
    "kind": "arxiv",
    "version": 1
  }
}