Pith Number

pith:7WYMGU2P

pith:2014:7WYMGU2P6DPAPCAX7ZFLVXCOKD

not attested not anchored not stored refs pending

Complexity of the robust weighted independent set problems on interval graphs

Adam Kasperski, Pawel Zielinski

arxiv:1405.5376 v1 · 2014-05-21 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7WYMGU2P6DPAPCAX7ZFLVXCOKD}

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	2026-05-18T02:51:24.360975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdb0c3534ff0de078817fe4abadc4e50fd613ef91ae07d1833dde41213734363

Aliases

arxiv: 1405.5376 · arxiv_version: 1405.5376v1 · doi: 10.48550/arxiv.1405.5376 · pith_short_12: 7WYMGU2P6DPA · pith_short_16: 7WYMGU2P6DPAPCAX · pith_short_8: 7WYMGU2P

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/7WYMGU2P6DPAPCAX7ZFLVXCOKD \
  | 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: fdb0c3534ff0de078817fe4abadc4e50fd613ef91ae07d1833dde41213734363

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5c742ab35cc73a2a5b7e2fd065da696325670af542b6ff1a6118990084f2bf3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-05-21T11:31:08Z",
    "title_canon_sha256": "89a4d075aea065e0167428c8dc9376abf60325adbf197e21a7afff80af2d6676"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.5376",
    "kind": "arxiv",
    "version": 1
  }
}