Pith Number

pith:HI5VDK3D

pith:2016:HI5VDK3DXN3WTWKNIK7GNROEY4

not attested not anchored not stored refs pending

On Approximating Maximum Independent Set of Rectangles

Alina Ene, Julia Chuzhoy

arxiv:1608.00271 v1 · 2016-07-31 · 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{HI5VDK3DXN3WTWKNIK7GNROEY4}

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	2026-05-18T01:10:12.085807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a3b51ab63bb7769d94d42be66c5c4c71cfc0155e8215141a6b311d23bf94168

Aliases

arxiv: 1608.00271 · arxiv_version: 1608.00271v1 · doi: 10.48550/arxiv.1608.00271 · pith_short_12: HI5VDK3DXN3W · pith_short_16: HI5VDK3DXN3WTWKN · pith_short_8: HI5VDK3D

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/HI5VDK3DXN3WTWKNIK7GNROEY4 \
  | 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: 3a3b51ab63bb7769d94d42be66c5c4c71cfc0155e8215141a6b311d23bf94168

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8c92a645c33883fbff403d25c0e7bfff2096ffd863a8ac0056629deb0353167",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-07-31T22:15:31Z",
    "title_canon_sha256": "7890295f3015e6eacb2b43d00661f4abe94f6495e1eefc925447ce409be1740a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.00271",
    "kind": "arxiv",
    "version": 1
  }
}