Pith Number

pith:5ECSZ7SV

pith:2016:5ECSZ7SV67JBCX4OEP3QTHBU76

not attested not anchored not stored refs pending

Tight Hardness Results for Maximum Weight Rectangles

Arturs Backurs, Christos Tzamos, Nishanth Dikkala

arxiv:1602.05837 v2 · 2016-02-18 · cs.DS · cs.CC · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ECSZ7SV67JBCX4OEP3QTHBU76}

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	2026-05-18T01:19:40.249183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9052cfe55f7d2115f8e23f7099c34ff8bd84a1eec537f64a68162dd86568509

Aliases

arxiv: 1602.05837 · arxiv_version: 1602.05837v2 · doi: 10.48550/arxiv.1602.05837 · pith_short_12: 5ECSZ7SV67JB · pith_short_16: 5ECSZ7SV67JBCX4O · pith_short_8: 5ECSZ7SV

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/5ECSZ7SV67JBCX4OEP3QTHBU76 \
  | 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: e9052cfe55f7d2115f8e23f7099c34ff8bd84a1eec537f64a68162dd86568509

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc405fe39f580e357a5b4126730f81976fba3b1a6b264b70bc42f9960510ac1c",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-02-18T15:24:22Z",
    "title_canon_sha256": "b12277d89368a3e716e9973cccdbbdedcf267f5b4992dffcd95122495b6f0fa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05837",
    "kind": "arxiv",
    "version": 2
  }
}