Pith Number

pith:AL3OBQJD

pith:2021:AL3OBQJD2CXH67ZLKORP2YKOO2

not attested not anchored not stored refs pending

Exact algorithms for budgeted prize-collecting covering subgraph problems

Hande Yaman, Nicola Morandi, Roel Leus

arxiv:2101.03546 v2 · 2021-01-10 · 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{AL3OBQJD2CXH67ZLKORP2YKOO2}

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	2026-07-05T03:03:06.705097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02f6e0c123d0ae7f7f2b53a2fd614e76a97dee261db51630059818e234bc42be

Aliases

arxiv: 2101.03546 · arxiv_version: 2101.03546v2 · doi: 10.48550/arxiv.2101.03546 · pith_short_12: AL3OBQJD2CXH · pith_short_16: AL3OBQJD2CXH67ZL · pith_short_8: AL3OBQJD

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/AL3OBQJD2CXH67ZLKORP2YKOO2 \
  | 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: 02f6e0c123d0ae7f7f2b53a2fd614e76a97dee261db51630059818e234bc42be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b81082ec00e101dfe1fe2234c8de330fd2d019ac05b7a83acfb697ade9fa85df",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-01-10T13:32:26Z",
    "title_canon_sha256": "5a5eb51d07c6e40efd88f26f7363c1dee48a76176b2473fb7faebd2d3908d949"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.03546",
    "kind": "arxiv",
    "version": 2
  }
}