Pith Number

pith:RCZR5DIK

pith:2021:RCZR5DIKUFX26EMSY3IFDKWFQ4

not attested not anchored not stored refs pending

Bifactor Approximation for Location Routing with Vehicle and Facility Capacities

Antonia Demleitner, Felipe Carrasco Heine, Jannik Matuschke

arxiv:2108.02480 v1 · 2021-08-05 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RCZR5DIKUFX26EMSY3IFDKWFQ4}

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	2026-07-05T03:03:33.380196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88b31e8d0aa16faf1192c6d051aac5872a0c7e380c8e7e2e72c5f600112bd0c8

Aliases

arxiv: 2108.02480 · arxiv_version: 2108.02480v1 · doi: 10.48550/arxiv.2108.02480 · pith_short_12: RCZR5DIKUFX2 · pith_short_16: RCZR5DIKUFX26EMS · pith_short_8: RCZR5DIK

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/RCZR5DIKUFX26EMSY3IFDKWFQ4 \
  | 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: 88b31e8d0aa16faf1192c6d051aac5872a0c7e380c8e7e2e72c5f600112bd0c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9ad12b2b0adb4848cc00923631a8fcdadccc9609c2a82ea3af8912ccfc83c1a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2021-08-05T09:37:34Z",
    "title_canon_sha256": "61f27d4a31101f9d1d7c74e1bac3e8c881e9a3cc0938dca029e267123c1d8e8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.02480",
    "kind": "arxiv",
    "version": 1
  }
}