Pith Number

pith:7YALJ6CG

pith:2015:7YALJ6CG2L3XRCAAXY7GMT6GZC

not attested not anchored not stored refs pending

Online Convex Covering and Packing Problems

Ning Kang, T-H. Hubert Chan, Zhiyi Huang

arxiv:1502.01802 v3 · 2015-02-06 · 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{7YALJ6CG2L3XRCAAXY7GMT6GZC}

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	2026-05-18T02:18:51.292106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe00b4f846d2f7788800be3e664fc6c8b80c1e8b8d1df5665526ef08b2263d3c

Aliases

arxiv: 1502.01802 · arxiv_version: 1502.01802v3 · doi: 10.48550/arxiv.1502.01802 · pith_short_12: 7YALJ6CG2L3X · pith_short_16: 7YALJ6CG2L3XRCAA · pith_short_8: 7YALJ6CG

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/7YALJ6CG2L3XRCAAXY7GMT6GZC \
  | 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: fe00b4f846d2f7788800be3e664fc6c8b80c1e8b8d1df5665526ef08b2263d3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed8ff0b48684c28f90ed863bdf9dd03533d61bce886f130bacebeb78b8714981",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-02-06T05:33:10Z",
    "title_canon_sha256": "cf58043e50e2bbf4ef531a55c8bbde324f1e69fbf37521cf412c2bcfa1253ae4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01802",
    "kind": "arxiv",
    "version": 3
  }
}