Pith Number

pith:OH45RLSA

pith:2025:OH45RLSALIRDLGLEU4GDYTVU4V

not attested not anchored not stored refs pending

Validating Terrain Models in Digital Twins for Trustworthy sUAS Operations

Arturo Miguel Russell Bernal, James Mason, Jane Cleland-Huang, Maureen Petterson, Michael Murphy, Pedro Antonio Alarcon Granadeno

arxiv:2508.16104 v1 · 2025-08-22 · cs.SE · cs.RO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OH45RLSALIRDLGLEU4GDYTVU4V}

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	2026-07-05T11:57:42.133786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71f9d8ae405a22359964a70c3c4eb4e56755d8eb9db182f8039410433f42b4e0

Aliases

arxiv: 2508.16104 · arxiv_version: 2508.16104v1 · doi: 10.48550/arxiv.2508.16104 · pith_short_12: OH45RLSALIRD · pith_short_16: OH45RLSALIRDLGLE · pith_short_8: OH45RLSA

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/OH45RLSALIRDLGLEU4GDYTVU4V \
  | 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: 71f9d8ae405a22359964a70c3c4eb4e56755d8eb9db182f8039410433f42b4e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bd03a47cd6032ff236bc5f3175b58130d1eef2d9b9fa7a40d82fd7426eb8876",
    "cross_cats_sorted": [
      "cs.RO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-08-22T05:42:55Z",
    "title_canon_sha256": "4cab35bad7ad9a31a37c375b137ca018643b760eac329dc6dc71907dc402998e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.16104",
    "kind": "arxiv",
    "version": 1
  }
}