Pith Number

pith:DK6OW7Q5

pith:2014:DK6OW7Q5NRYZR3G6K5Y3TKUBKA

not attested not anchored not stored refs pending

On Integrality Ratios for Asymmetric TSP in the Sherali-Adams Hierarchy

Joseph Cheriyan, Konstantinos Georgiou, Sahil Singla, Zhihan Gao

arxiv:1405.0945 v1 · 2014-05-05 · 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{DK6OW7Q5NRYZR3G6K5Y3TKUBKA}

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	2026-05-18T02:52:40.374198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1abceb7e1d6c7198ecde5771b9aa8150278bec9b961ac1702d0d1c2cabd99446

Aliases

arxiv: 1405.0945 · arxiv_version: 1405.0945v1 · doi: 10.48550/arxiv.1405.0945 · pith_short_12: DK6OW7Q5NRYZ · pith_short_16: DK6OW7Q5NRYZR3G6 · pith_short_8: DK6OW7Q5

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/DK6OW7Q5NRYZR3G6K5Y3TKUBKA \
  | 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: 1abceb7e1d6c7198ecde5771b9aa8150278bec9b961ac1702d0d1c2cabd99446

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "feb992ee2895fcc04904a9f5aadc7f55fa155b3565c5983eb5486387a680710b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-05-05T16:18:01Z",
    "title_canon_sha256": "33d72f05a2dce2015efa55676e3ac8b72b7769b7805eb841d37092411c1f766d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.0945",
    "kind": "arxiv",
    "version": 1
  }
}