Pith Number

pith:S7IDD3WK

pith:2025:S7IDD3WKZHT7LAP55RKZHSVU2R

not attested not anchored not stored refs pending

Testing, Evaluation, Verification and Validation (TEVV) of Digital Twins: A Comprehensive Framework

Gabriella Waters

arxiv:2507.04555 v1 · 2025-07-06 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S7IDD3WKZHT7LAP55RKZHSVU2R}

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	2026-07-05T11:32:49.788197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97d031eecac9e7f581fdec5593cab4d476788d8e8992cb95bfbae82936f49d1d

Aliases

arxiv: 2507.04555 · arxiv_version: 2507.04555v1 · doi: 10.48550/arxiv.2507.04555 · pith_short_12: S7IDD3WKZHT7 · pith_short_16: S7IDD3WKZHT7LAP5 · pith_short_8: S7IDD3WK

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/S7IDD3WKZHT7LAP55RKZHSVU2R \
  | 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: 97d031eecac9e7f581fdec5593cab4d476788d8e8992cb95bfbae82936f49d1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99ca01f28924516297d5b9f2f8c8d674297ed794daa7de54d34d77e5d6db3b9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-07-06T22:12:06Z",
    "title_canon_sha256": "cc3b23184bf2438723fc5b31f45a25bc8eb6c7bfd0644a4732803dcaa97fd396"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.04555",
    "kind": "arxiv",
    "version": 1
  }
}