Pith Number

pith:2DOKMTZB

pith:2012:2DOKMTZBGZ2KMM3LUHBVXFSURV

not attested not anchored not stored refs pending

LP-rounding Algorithms for the Fault-Tolerant Facility Placement Problem

Li Yan, Marek Chrobak

arxiv:1205.1281 v5 · 2012-05-07 · 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{2DOKMTZBGZ2KMM3LUHBVXFSURV}

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	2026-05-18T03:28:06.139763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0dca64f213674a6336ba1c35b96548d4e550ed0aac79573442e6b7b3b2a0588

Aliases

arxiv: 1205.1281 · arxiv_version: 1205.1281v5 · doi: 10.48550/arxiv.1205.1281 · pith_short_12: 2DOKMTZBGZ2K · pith_short_16: 2DOKMTZBGZ2KMM3L · pith_short_8: 2DOKMTZB

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/2DOKMTZBGZ2KMM3LUHBVXFSURV \
  | 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: d0dca64f213674a6336ba1c35b96548d4e550ed0aac79573442e6b7b3b2a0588

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "793d5f9a5c6508df4d880f3feae40bfe86d30a7e9e554500ebda912e64f184c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-05-07T04:11:15Z",
    "title_canon_sha256": "d5cd595cc2cf6c2e3f9b7cb16be4a799203012e9add94d8f72d8eeca2d8eecb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1281",
    "kind": "arxiv",
    "version": 5
  }
}