Pith Number

pith:ICIES6XF

pith:2013:ICIES6XFLTMOSW7VKD4EZZXMIF

not attested not anchored not stored refs pending

Efficient additive Schwarz preconditioning for hypersingular integral equations on locally refined triangulations

Dirk Praetorius, Ernst P. Stephan, Michael Feischl, Thomas F\"uhrer

arxiv:1309.2822 v1 · 2013-09-11 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ICIES6XFLTMOSW7VKD4EZZXMIF}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:47:31.670081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4090497ae55cd8e95bf550f84ce6ec417b09887f3d1ee919b3a80bd06583b7b8

Aliases

arxiv: 1309.2822 · arxiv_version: 1309.2822v1 · doi: 10.48550/arxiv.1309.2822 · pith_short_12: ICIES6XFLTMO · pith_short_16: ICIES6XFLTMOSW7V · pith_short_8: ICIES6XF

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/ICIES6XFLTMOSW7VKD4EZZXMIF \
  | 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: 4090497ae55cd8e95bf550f84ce6ec417b09887f3d1ee919b3a80bd06583b7b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "549dbe356e2832c2f2e14515b35ca98db6979fb7d80707edc05ff5b408df696e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-09-11T13:28:24Z",
    "title_canon_sha256": "7991a6099dc2238fb41d0c7a645e99b05b037b79689b6bb3389cd2348fadf823"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2822",
    "kind": "arxiv",
    "version": 1
  }
}