Pith Number

pith:GGQ6IZHI

pith:2014:GGQ6IZHIJB6IXK34B6W3JQCMMT

not attested not anchored not stored refs pending

Geometric versions of the 3-dimensional assignment problem under general norms

Ante \'Custi\'c, Bettina Klinz, Gerhard J. Woeginger

arxiv:1409.0845 v1 · 2014-09-02 · math.OC · 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{GGQ6IZHIJB6IXK34B6W3JQCMMT}

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	2026-05-18T02:43:46.006941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31a1e464e8487c8bab7c0fadb4c04c64c7799ee7dc1d8eb05960fc361d18fbe0

Aliases

arxiv: 1409.0845 · arxiv_version: 1409.0845v1 · doi: 10.48550/arxiv.1409.0845 · pith_short_12: GGQ6IZHIJB6I · pith_short_16: GGQ6IZHIJB6IXK34 · pith_short_8: GGQ6IZHI

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/GGQ6IZHIJB6IXK34B6W3JQCMMT \
  | 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: 31a1e464e8487c8bab7c0fadb4c04c64c7799ee7dc1d8eb05960fc361d18fbe0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f293719060b14cf0f4123075f2a0e3390482162a8a1d77e38fb21b2715af97c6",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-09-02T19:49:59Z",
    "title_canon_sha256": "aa3f37cd68d3da3feefd2e748925a4ac81a40a6272307f4b6e7132a53c96daae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0845",
    "kind": "arxiv",
    "version": 1
  }
}