Pith Number

pith:2REL74CV

pith:2022:2REL74CV57F2ATDOCT5KTTRYP5

not attested not anchored not stored refs pending

Mathematical Programming Formulations for the Collapsed k-Core Problem

Carmine Sorgente, Claudia Archetti, Domenico Serra, Ivana Ljubic, Martina Cerulli

arxiv:2211.14833 v2 · 2022-11-27 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2REL74CV57F2ATDOCT5KTTRYP5}

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	2026-07-05T06:06:06.899481Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d448bff055efcba04c6e14faa9ce387f7e525919874b72f0857340fd36bbe155

Aliases

arxiv: 2211.14833 · arxiv_version: 2211.14833v2 · doi: 10.48550/arxiv.2211.14833 · pith_short_12: 2REL74CV57F2 · pith_short_16: 2REL74CV57F2ATDO · pith_short_8: 2REL74CV

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/2REL74CV57F2ATDOCT5KTTRYP5 \
  | 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: d448bff055efcba04c6e14faa9ce387f7e525919874b72f0857340fd36bbe155

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa3ccd9f3517f374a58a31c042b8a4e8cf8ff5c9052ef7f06029827c04748b28",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-11-27T14:00:45Z",
    "title_canon_sha256": "629d24518908e06e2faa2fb7bcf54f5e20deab18f326c402b3990af48f52a67b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.14833",
    "kind": "arxiv",
    "version": 2
  }
}