Pith Number

pith:UBAUPFOW

pith:2019:UBAUPFOWDQUHD75SRZS5DZZAWB

not attested not anchored not stored refs pending

Energy-saving deployment algorithms of UAV swarm for sustainable wireless coverage

Lingjie Duan, Xiao Zhang

arxiv:1903.11221 v2 · 2019-03-27 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UBAUPFOWDQUHD75SRZS5DZZAWB}

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	2026-06-19T16:12:43.371077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0414795d61c2871ffb28e65d1e720b059cc9112b95e0724b4421d8647c291d5

Aliases

arxiv: 1903.11221 · arxiv_version: 1903.11221v2 · doi: 10.48550/arxiv.1903.11221 · pith_short_12: UBAUPFOWDQUH · pith_short_16: UBAUPFOWDQUHD75S · pith_short_8: UBAUPFOW

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/UBAUPFOWDQUHD75SRZS5DZZAWB \
  | 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: a0414795d61c2871ffb28e65d1e720b059cc9112b95e0724b4421d8647c291d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "425382e60af4e1ffc0e2fc57285d065f24d57d759ef25ad433157c2f391d6703",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2019-03-27T01:55:58Z",
    "title_canon_sha256": "db18d9b8f1df66191adf9b1885e1ef26f393d1707440d74019588e3b1c707da6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11221",
    "kind": "arxiv",
    "version": 2
  }
}