Pith Number

pith:4MTGXTJB

pith:2020:4MTGXTJB5X3RKMS2P2L3T67S3E

not attested not anchored not stored refs pending

The Covering-Assignment Problem for Swarm-powered Ad-hoc Clouds: A Distributed 3D Mapping Use-case

Andrea Lodi, Daniel Aloise, Leandro R. Costa, Luca G. Gianoli

arxiv:2004.11837 v2 · 2020-04-21 · eess.SP · 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{4MTGXTJB5X3RKMS2P2L3T67S3E}

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	2026-07-05T02:18:51.847102Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3266bcd21edf715325a7e97b9fbf2d91a6bb60f8cfba09cf3166b6e98e17d96

Aliases

arxiv: 2004.11837 · arxiv_version: 2004.11837v2 · doi: 10.48550/arxiv.2004.11837 · pith_short_12: 4MTGXTJB5X3R · pith_short_16: 4MTGXTJB5X3RKMS2 · pith_short_8: 4MTGXTJB

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/4MTGXTJB5X3RKMS2P2L3T67S3E \
  | 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: e3266bcd21edf715325a7e97b9fbf2d91a6bb60f8cfba09cf3166b6e98e17d96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1c6f117980126af9a90794c176c2ef729faec5f7858f70a1cc03f897c046675",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-04-21T19:23:04Z",
    "title_canon_sha256": "017bc8184efef2ee7fcda73cb83ba7e82ad1c7bd3f3a659a50fd62251cdfd013"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.11837",
    "kind": "arxiv",
    "version": 2
  }
}