Pith Number

pith:6APEY7JC

pith:2026:6APEY7JCDTM3D5Z2EMAS66IY5C

not attested not anchored not stored refs pending

Approximation Algorithms for the Traveling Thief Problem

Heiko R\"oglin, Jan Eube, Kelin Luo, Sarah Sturm

arxiv:2607.05164 v1 · 2026-07-06 · 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{6APEY7JCDTM3D5Z2EMAS66IY5C}

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	2026-07-07T03:19:18.422834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f01e4c7d221cd9b1f73a23012f7918e8bf75491dac605c3e5027602d885138a0

Aliases

arxiv: 2607.05164 · arxiv_version: 2607.05164v1 · doi: 10.48550/arxiv.2607.05164 · pith_short_12: 6APEY7JCDTM3 · pith_short_16: 6APEY7JCDTM3D5Z2 · pith_short_8: 6APEY7JC

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/6APEY7JCDTM3D5Z2EMAS66IY5C \
  | 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: f01e4c7d221cd9b1f73a23012f7918e8bf75491dac605c3e5027602d885138a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46c200b6a55a6cc54e55d84e22d8ecc813effc3fc07f712693f62410cc5007b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2026-07-06T14:47:30Z",
    "title_canon_sha256": "4df8cda2688dc04508905c602fd69688bcdb689c867126fc5639f7e113056af1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.05164",
    "kind": "arxiv",
    "version": 1
  }
}