Pith Number

pith:TNPIB3RL

pith:2021:TNPIB3RLHTY5T47WHET2MT764Q

not attested not anchored not stored refs pending

A FETI approach to domain decomposition for meshfree discretizations of nonlocal problems

Christian Glusa, John T. Foster, Marta D'Elia, Xiao Xu

arxiv:2105.07309 v1 · 2021-05-15 · 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{TNPIB3RLHTY5T47WHET2MT764Q}

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	2026-07-05T03:17:51.143027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b5e80ee2b3cf1d9f3f63927a64ffee4035ccef046c8335af8732bfeea606c67

Aliases

arxiv: 2105.07309 · arxiv_version: 2105.07309v1 · doi: 10.48550/arxiv.2105.07309 · pith_short_12: TNPIB3RLHTY5 · pith_short_16: TNPIB3RLHTY5T47W · pith_short_8: TNPIB3RL

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/TNPIB3RLHTY5T47WHET2MT764Q \
  | 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: 9b5e80ee2b3cf1d9f3f63927a64ffee4035ccef046c8335af8732bfeea606c67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c32d0c933a617b77647822d1bfd5a1dc6ddd16960ba389a45bb43124cb9accc3",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-05-15T22:59:20Z",
    "title_canon_sha256": "18044b7c33c9b1f0399807d192a006b0a5276583a06d479dc72b1b71e2a47f0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.07309",
    "kind": "arxiv",
    "version": 1
  }
}