Pith Number

pith:TA4S5WNI

pith:2016:TA4S5WNI737TOUQXLUV3Q32MUP

not attested not anchored not stored refs pending

An object oriented parallel finite element scheme for computations of PDEs: Design and implementation

Gunar Matthies, Raviteja Meesala, Sashikumaar Ganesan, Shamim Abdus, Ulrich Wilbrandt, Volker John

arxiv:1609.04809 v1 · 2016-09-15 · cs.MS · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TA4S5WNI737TOUQXLUV3Q32MUP}

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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	2026-05-18T01:04:32.334783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98392ed9a8feff3752175d2bb86f4ca3c732adce792d873a0265b413f7da1015

Aliases

arxiv: 1609.04809 · arxiv_version: 1609.04809v1 · doi: 10.48550/arxiv.1609.04809 · pith_short_12: TA4S5WNI737T · pith_short_16: TA4S5WNI737TOUQX · pith_short_8: TA4S5WNI

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/TA4S5WNI737TOUQXLUV3Q32MUP \
  | 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: 98392ed9a8feff3752175d2bb86f4ca3c732adce792d873a0265b413f7da1015

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a50a4a97e945317e642f7a25aa5da3a13bff329668e69360dea45db1ff6e6303",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2016-09-15T05:05:29Z",
    "title_canon_sha256": "33481b77548f96cd4fbebef389db0876d19df45463598c54d2e2a66df83f2798"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04809",
    "kind": "arxiv",
    "version": 1
  }
}