Pith Number

pith:VDSNTVJO

pith:2014:VDSNTVJO35KUBFLFCFJBIAX6ZA

not attested not anchored not stored refs pending

A domination algorithm for $\{0,1\}$-instances of the travelling salesman problem

Daniela K\"uhn, Deryk Osthus, Viresh Patel

arxiv:1401.4931 v2 · 2014-01-20 · cs.DS · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VDSNTVJO35KUBFLFCFJBIAX6ZA}

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	2026-05-18T02:03:37.895253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8e4d9d52edf5540956511521402fec83cfe06fe376ed06912364c6a3793aba7

Aliases

arxiv: 1401.4931 · arxiv_version: 1401.4931v2 · doi: 10.48550/arxiv.1401.4931 · pith_short_12: VDSNTVJO35KU · pith_short_16: VDSNTVJO35KUBFLF · pith_short_8: VDSNTVJO

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/VDSNTVJO35KUBFLFCFJBIAX6ZA \
  | 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: a8e4d9d52edf5540956511521402fec83cfe06fe376ed06912364c6a3793aba7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e30c9e5e83c3f9db202f5a6e79c68b695297a8f647b127c5b462b43cdbf3bf5",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-01-20T15:07:35Z",
    "title_canon_sha256": "55a6d5aeb42495c2ca06b535d2032104a85848fb18b669f02967bf1964605522"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4931",
    "kind": "arxiv",
    "version": 2
  }
}