Pith Number

pith:HI7HGH4P

pith:2018:HI7HGH4P7LMQSQSE43GGSSIM26

not attested not anchored not stored refs pending

Boundary elements with mesh refinements for the wave equation

Ceyhun Oezdemir, David Stark, Ernst P. Stephan, Fabian Meyer, Heiko Gimperlein

arxiv:1801.09736 v1 · 2018-01-29 · math.NA · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HI7HGH4P7LMQSQSE43GGSSIM26}

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	2026-05-18T00:10:46.896893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a3e731f8ffad9094244e6cc69490cd7bffde36c44baeab3c9cc8f82eab213b0

Aliases

arxiv: 1801.09736 · arxiv_version: 1801.09736v1 · doi: 10.48550/arxiv.1801.09736 · pith_short_12: HI7HGH4P7LMQ · pith_short_16: HI7HGH4P7LMQSQSE · pith_short_8: HI7HGH4P

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/HI7HGH4P7LMQSQSE43GGSSIM26 \
  | 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: 3a3e731f8ffad9094244e6cc69490cd7bffde36c44baeab3c9cc8f82eab213b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e74cf520336cd333f7c2de4b2bee0422aafe79fc90f7aa26d477f2bc98d92161",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-01-29T19:56:59Z",
    "title_canon_sha256": "a01d98ef708f30cc986ca6fe6c41b416be39531daadfac5b3a54270df5d4d7ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09736",
    "kind": "arxiv",
    "version": 1
  }
}