Pith Number

pith:JDXMH5UB

pith:2020:JDXMH5UB7UTXMRAFON5TG2J5QV

not attested not anchored not stored refs pending

Fully Parallel Mesh I/O using PETSc DMPlex with an Application to Waveform Modeling

Andreas Fichtner, Christian Boehm, Lion Krischer, Martin van Driel, Matthew G. Knepley, Michael Afanasiev, Vaclav Hapla

arxiv:2004.08729 v2 · 2020-04-18 · cs.MS · cs.NA · math.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{JDXMH5UB7UTXMRAFON5TG2J5QV}

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	2026-07-05T02:22:22.132790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48eec3f681fd27764405737b33693d857ea7ad402d03cd6354f0109614afd0e3

Aliases

arxiv: 2004.08729 · arxiv_version: 2004.08729v2 · doi: 10.48550/arxiv.2004.08729 · pith_short_12: JDXMH5UB7UTX · pith_short_16: JDXMH5UB7UTXMRAF · pith_short_8: JDXMH5UB

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/JDXMH5UB7UTXMRAFON5TG2J5QV \
  | 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: 48eec3f681fd27764405737b33693d857ea7ad402d03cd6354f0109614afd0e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed8136156c29289ba5eb367c8d380a6d7619acb1d95e8b49a4da7d1a86af2ade",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2020-04-18T23:26:04Z",
    "title_canon_sha256": "76855823ca0b1849c0f32b891123b5a43d4a07f5be611634def17803afe29f80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.08729",
    "kind": "arxiv",
    "version": 2
  }
}