Pith Number

pith:KSLOHQ4D

pith:2016:KSLOHQ4DQHJ5M75FE7YKM7KTSX

not attested not anchored not stored refs pending

Hardness of approximation for strip packing

Anna Adamaszek, Marcin Pilipczuk, Micha{\l} Pilipczuk, Tomasz Kociumaka

arxiv:1610.07766 v1 · 2016-10-25 · cs.DS · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KSLOHQ4DQHJ5M75FE7YKM7KTSX}

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	2026-05-18T01:01:17.667979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5496e3c38381d3d67fa527f0a67d5395d3176bfbb9fdd154a16afcba870c0b47

Aliases

arxiv: 1610.07766 · arxiv_version: 1610.07766v1 · doi: 10.48550/arxiv.1610.07766 · pith_short_12: KSLOHQ4DQHJ5 · pith_short_16: KSLOHQ4DQHJ5M75F · pith_short_8: KSLOHQ4D

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/KSLOHQ4DQHJ5M75FE7YKM7KTSX \
  | 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: 5496e3c38381d3d67fa527f0a67d5395d3176bfbb9fdd154a16afcba870c0b47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2bdff08d560bf5b07de6ead1f1e5d637f9e56040d23004d2ffd35a2736f62cd",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-10-25T07:44:21Z",
    "title_canon_sha256": "b074f9bea78fb99baca6d9fc0185e459291a9123e3c863a29d67c5af6a5d2798"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.07766",
    "kind": "arxiv",
    "version": 1
  }
}