Pith Number

pith:MPVCLADE

pith:2014:MPVCLADEANII3D7ZMOERCN2RJ7

not attested not anchored not stored refs pending

On the continuous Fermat-Weber problem for a convex polygon using Euclidean distance

John Gunnar Carlsson, Thomas T.C.K. Zhang

arxiv:1403.3715 v1 · 2014-03-14 · cs.CG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MPVCLADEANII3D7ZMOERCN2RJ7}

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	2026-05-18T02:56:18.701290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63ea25806403508d8ff963891137514fef7c522990fa5d1531e7b3099a64134e

Aliases

arxiv: 1403.3715 · arxiv_version: 1403.3715v1 · doi: 10.48550/arxiv.1403.3715 · pith_short_12: MPVCLADEANII · pith_short_16: MPVCLADEANII3D7Z · pith_short_8: MPVCLADE

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/MPVCLADEANII3D7ZMOERCN2RJ7 \
  | 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: 63ea25806403508d8ff963891137514fef7c522990fa5d1531e7b3099a64134e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6738eeb88e91f5aa5c9e8381d81eac8ade3188bc1189076072db41fe9596398",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2014-03-14T22:07:39Z",
    "title_canon_sha256": "c33eabbc45b0d81279759cfac82cd491d36f31d57007501abf4f8699328d4962"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3715",
    "kind": "arxiv",
    "version": 1
  }
}