Pith Number

pith:RMKRNUVE

pith:2025:RMKRNUVE6NMVDWQEXLFLAWZOVT

not attested not anchored not stored refs pending

Hybrid coupling with operator inference and the overlapping Schwarz alternating method

Alejandro Mota, Anthony Gruber, Christopher Wentland, Eric Parish, Ian Moore, Irina Tezaur

arxiv:2511.20687 v3 · 2025-11-20 · math.NA · cs.AI · cs.NA · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RMKRNUVE6NMVDWQEXLFLAWZOVT}

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	2026-06-29T00:14:01.474403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b1516d2a4f35951da04bacab05b2eacf994a0c08d8b8acb1a8c1bf4ebd32250

Aliases

arxiv: 2511.20687 · arxiv_version: 2511.20687v3 · doi: 10.48550/arxiv.2511.20687 · pith_short_12: RMKRNUVE6NMV · pith_short_16: RMKRNUVE6NMVDWQE · pith_short_8: RMKRNUVE

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/RMKRNUVE6NMVDWQEXLFLAWZOVT \
  | 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: 8b1516d2a4f35951da04bacab05b2eacf994a0c08d8b8acb1a8c1bf4ebd32250

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2477eb90536e220773ebfc4f8cfe980b8fac1c9073f8a001be3623a80343875",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.NA",
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-11-20T23:30:23Z",
    "title_canon_sha256": "cd93bec234f56284a80a13bddaade08adf6302db028e320fd85b2608a17ef733"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2511.20687",
    "kind": "arxiv",
    "version": 3
  }
}