Pith Number

pith:6XUTXUP3

pith:2011:6XUTXUP3EKJZMBYWB3DLNNOWML

not attested not anchored not stored refs pending

Speedup in the Traveling Repairman Problem with Constrained Time Windows

Barry Wittman, Greg N. Frederickson

arxiv:1101.3960 v1 · 2011-01-20 · 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{6XUTXUP3EKJZMBYWB3DLNNOWML}

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	2026-05-18T04:31:20.761922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5e93bd1fb22939607160ec6b6b5d662efb90f3685e703a7f85656f0229a96f0

Aliases

arxiv: 1101.3960 · arxiv_version: 1101.3960v1 · doi: 10.48550/arxiv.1101.3960 · pith_short_12: 6XUTXUP3EKJZ · pith_short_16: 6XUTXUP3EKJZMBYW · pith_short_8: 6XUTXUP3

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/6XUTXUP3EKJZMBYWB3DLNNOWML \
  | 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: f5e93bd1fb22939607160ec6b6b5d662efb90f3685e703a7f85656f0229a96f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e7010876534a41b2efe71d04ff8df8dc40a4f794438b8a5a296590bd97aa8ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-01-20T16:51:55Z",
    "title_canon_sha256": "d14423a03a180bc352675066300b5836a7a2f8fea4a59e66455634a8d09ea0d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3960",
    "kind": "arxiv",
    "version": 1
  }
}