Pith Number

pith:LNBQ5WJS

pith:2022:LNBQ5WJSRIFKBP3JA65MJUCTIT

not attested not anchored not stored refs pending

Fast hierarchical low-rank view factor matrices for thermal irradiance on planetary surfaces

Erwan Mazarico, Norbert Sch\"orghofer, Samuel F. Potter, Stefano Bertone

arxiv:2209.07632 v2 · 2022-09-15 · 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{LNBQ5WJSRIFKBP3JA65MJUCTIT}

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	2026-07-05T06:31:29.546090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b430ed9328a0aa0bf6907bac4d05344e2c09d875b2e8d8eab52d460cc0b1b96

Aliases

arxiv: 2209.07632 · arxiv_version: 2209.07632v2 · doi: 10.48550/arxiv.2209.07632 · pith_short_12: LNBQ5WJSRIFK · pith_short_16: LNBQ5WJSRIFKBP3J · pith_short_8: LNBQ5WJS

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/LNBQ5WJSRIFKBP3JA65MJUCTIT \
  | 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: 5b430ed9328a0aa0bf6907bac4d05344e2c09d875b2e8d8eab52d460cc0b1b96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "951051807f90c9cae261ad19be12fb451ca6119f9856befc6cb5c06c78cbc88d",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-09-15T22:24:37Z",
    "title_canon_sha256": "1962b18faf40c359c1bac40634dbdab6816de186e27692b53765b47209c62087"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.07632",
    "kind": "arxiv",
    "version": 2
  }
}