Pith Number

pith:MGDIBXVB

pith:2021:MGDIBXVBFPCBG4ZT5UTWKN6EWU

not attested not anchored not stored refs pending

Exact and Approximation Algorithms for Many-To-Many Point Matching in the Plane

Anil Maheshwari, Michiel Smid, Sayan Bandyapadhyay

arxiv:2109.07524 v1 · 2021-09-15 · cs.CG · 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{MGDIBXVBFPCBG4ZT5UTWKN6EWU}

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.

Cited by

1 paper in Pith

On Fr\'echet Traveling Salesmen Problems

Receipt and verification

First computed	2026-07-05T03:14:58.007440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

618680dea12bc4137333ed276537c4b504cb66cfb13adb5e30414e7c7f00461c

Aliases

arxiv: 2109.07524 · arxiv_version: 2109.07524v1 · doi: 10.48550/arxiv.2109.07524 · pith_short_12: MGDIBXVBFPCB · pith_short_16: MGDIBXVBFPCBG4ZT · pith_short_8: MGDIBXVB

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/MGDIBXVBFPCBG4ZT5UTWKN6EWU \
  | 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: 618680dea12bc4137333ed276537c4b504cb66cfb13adb5e30414e7c7f00461c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4d81a68ccad6d1c54eb20303faecc5a16c4283cd65892e0024c34932a30a9ee",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2021-09-15T18:39:07Z",
    "title_canon_sha256": "008272c50b873d651f0d5e01dd5620a26fee7468e58cda92547451b287e240b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.07524",
    "kind": "arxiv",
    "version": 1
  }
}