Pith Number

pith:USKPFDHL

pith:2023:USKPFDHL2GKNJVHEHHEUFKNYUH

not attested not anchored not stored refs pending

Learning-Augmented Online TSP on Rings, Trees, Flowers and (almost) Everywhere Else

Bruno Escoffier, Evripidis Bampis, Golnoosh Shahkarami, Kostas Lakis, Michalis Xefteris, Niklas Hahn, Themis Gouleakis

arxiv:2305.02169 v1 · 2023-05-03 · 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{USKPFDHL2GKNJVHEHHEUFKNYUH}

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	2026-07-05T06:06:48.089971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a494f28cebd194d4d4e439c942a9b8a1ccaf879894a8f88783a535c3ebc2bdb5

Aliases

arxiv: 2305.02169 · arxiv_version: 2305.02169v1 · doi: 10.48550/arxiv.2305.02169 · pith_short_12: USKPFDHL2GKN · pith_short_16: USKPFDHL2GKNJVHE · pith_short_8: USKPFDHL

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/USKPFDHL2GKNJVHEHHEUFKNYUH \
  | 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: a494f28cebd194d4d4e439c942a9b8a1ccaf879894a8f88783a535c3ebc2bdb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "230d45dc2e8ce1db69a2e607f6ce2e87902d0b504c4a3a0eb85cf98db3d24701",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2023-05-03T15:01:57Z",
    "title_canon_sha256": "aeb0bb46ae3c06eb0b7059d484704fc4801107d3aa04597b5619776555e9f6b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.02169",
    "kind": "arxiv",
    "version": 1
  }
}