Pith Number

pith:PATGWDGQ

pith:2023:PATGWDGQAVILGTBVRKH3UDYIK3

not attested not anchored not stored refs pending

Vertiport Navigation Requirements and Multisensor Architecture Considerations for Urban Air Mobility

Chen Zhu, Daniel Gerbeth, Maximilian Simonetti, Omar Garcia Crespillo, Wenhan Hao, Young-Hee Lee

arxiv:2311.07487 v1 · 2023-11-13 · eess.SP · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PATGWDGQAVILGTBVRKH3UDYIK3}

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	2026-07-05T07:12:13.014584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78266b0cd00550b34c358a8fba0f0856d00af8966852e74a01f989308435f8cc

Aliases

arxiv: 2311.07487 · arxiv_version: 2311.07487v1 · doi: 10.48550/arxiv.2311.07487 · pith_short_12: PATGWDGQAVIL · pith_short_16: PATGWDGQAVILGTBV · pith_short_8: PATGWDGQ

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/PATGWDGQAVILGTBVRKH3UDYIK3 \
  | 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: 78266b0cd00550b34c358a8fba0f0856d00af8966852e74a01f989308435f8cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3c117b5d30e644ae571ced3b7b1e4334bcaa1f1d42bfbb82f123df98d0ea997",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2023-11-13T17:26:24Z",
    "title_canon_sha256": "23d52f129625011e53f277871238d2d52aaa1dad825f11b0b108ed0b914910ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.07487",
    "kind": "arxiv",
    "version": 1
  }
}