Pith Number

pith:ICVYGW5B

pith:2010:ICVYGW5B4JI7ZZOKTEZNWRUIUI

not attested not anchored not stored refs pending

LP-rounding algorithms for facility-location problems

Aravind Srinivasan, Jaroslaw Byrka, MohammadReza Ghodsi

arxiv:1007.3611 v2 · 2010-07-21 · 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{ICVYGW5B4JI7ZZOKTEZNWRUIUI}

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	2026-05-18T04:00:38.174345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40ab835ba1e251fce5ca9932db4688a229889054fb29df8fcec3f5e2321a7768

Aliases

arxiv: 1007.3611 · arxiv_version: 1007.3611v2 · doi: 10.48550/arxiv.1007.3611 · pith_short_12: ICVYGW5B4JI7 · pith_short_16: ICVYGW5B4JI7ZZOK · pith_short_8: ICVYGW5B

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/ICVYGW5B4JI7ZZOKTEZNWRUIUI \
  | 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: 40ab835ba1e251fce5ca9932db4688a229889054fb29df8fcec3f5e2321a7768

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef9d42ea1917a5ec1e626c67d9349c5b60e4e613b2ad6e218c22e649d95a09ac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2010-07-21T10:48:52Z",
    "title_canon_sha256": "d70f44c935c84dfac9ecd5dabafc65ca0a8341ba235d6eece242d5f974d8779f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.3611",
    "kind": "arxiv",
    "version": 2
  }
}