Pith Number

pith:TKQU4D3P

pith:2026:TKQU4D3PTHMRUFYTZWO3JY5ZEQ

not attested not anchored not stored refs pending

Physics-constrained identification of graph-based thermal networks for spacecraft digital twins

Carlo Ciancarelli, Francesco Regazzoni, Leonardo Marini, Luca Sosta, Nicola Parolini, Stefano Pagani

arxiv:2605.28452 v1 · 2026-05-27 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TKQU4D3PTHMRUFYTZWO3JY5ZEQ}

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	2026-05-28T02:04:53.458483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9aa14e0f6f99d91a1713cd9db4e3b9241dc4c6db34c96bec87bdab7ea77a76c8

Aliases

arxiv: 2605.28452 · arxiv_version: 2605.28452v1 · doi: 10.48550/arxiv.2605.28452 · pith_short_12: TKQU4D3PTHMR · pith_short_16: TKQU4D3PTHMRUFYT · pith_short_8: TKQU4D3P

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/TKQU4D3PTHMRUFYTZWO3JY5ZEQ \
  | 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: 9aa14e0f6f99d91a1713cd9db4e3b9241dc4c6db34c96bec87bdab7ea77a76c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ded6c6c9bb35b1639df3a7743607280805d97325287d367d1073cb12d67a3f9f",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-05-27T13:18:52Z",
    "title_canon_sha256": "b269cf34dfdbb9c1e085234c1107cc9b49096bc43acff5a3392b0acaa338e87f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28452",
    "kind": "arxiv",
    "version": 1
  }
}