Pith Number

pith:S6QHE3Q7

pith:2012:S6QHE3Q7AGVC44ILPLCG4WI27T

not attested not anchored not stored refs pending

Transparent boundary conditions based on the Pole Condition for time-dependent, two-dimensional problems

Achim Sch\"adle, Daniel Ruprecht, Frank Schmidt

arxiv:1204.3807 v1 · 2012-04-17 · 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{S6QHE3Q7AGVC44ILPLCG4WI27T}

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	2026-05-18T01:36:21.264791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97a0726e1f01aa2e710b7ac46e591afcc1579ad3d15a206fbe72ac4321807608

Aliases

arxiv: 1204.3807 · arxiv_version: 1204.3807v1 · doi: 10.48550/arxiv.1204.3807 · pith_short_12: S6QHE3Q7AGVC · pith_short_16: S6QHE3Q7AGVC44IL · pith_short_8: S6QHE3Q7

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/S6QHE3Q7AGVC44ILPLCG4WI27T \
  | 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: 97a0726e1f01aa2e710b7ac46e591afcc1579ad3d15a206fbe72ac4321807608

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c51377e95530fa1696623f27554fcfc0908e3f8f9d876d63b5ff199feb5313ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-04-17T14:52:35Z",
    "title_canon_sha256": "62d1c0f6bb5e4422533045b455bfeee8e5e6154a1aa3d7b399974b4fd5b90892"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3807",
    "kind": "arxiv",
    "version": 1
  }
}