Pith Number

pith:HNIKMW7U

pith:2021:HNIKMW7ULPA4CMSTHITURX6HSD

not attested not anchored not stored refs pending

On the Strategyproofness of the Geometric Median

El-Mahdi El-Mhamdi, L\^e-Nguy\^en Hoang, Rachid Guerraoui, Sadegh Farhadkhani

arxiv:2106.02394 v4 · 2021-06-04 · cs.GT · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HNIKMW7ULPA4CMSTHITURX6HSD}

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	2026-07-05T06:16:44.726889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b50a65bf45bc1c132533a2748dfc790df9ed3ca71cd65c5186b55fe1602bf19

Aliases

arxiv: 2106.02394 · arxiv_version: 2106.02394v4 · doi: 10.48550/arxiv.2106.02394 · pith_short_12: HNIKMW7ULPA4 · pith_short_16: HNIKMW7ULPA4CMST · pith_short_8: HNIKMW7U

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/HNIKMW7ULPA4CMSTHITURX6HSD \
  | 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: 3b50a65bf45bc1c132533a2748dfc790df9ed3ca71cd65c5186b55fe1602bf19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "441cc760a67adb2aa407858ca27a501ffed2e6001dd1592d8f453ef927a2344a",
    "cross_cats_sorted": [
      "cs.MA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2021-06-04T10:17:55Z",
    "title_canon_sha256": "399446b0cd3d67112014082c6fc20c19713b098305ffd51d3c84fd52a983e0a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.02394",
    "kind": "arxiv",
    "version": 4
  }
}