Pith Number

pith:HK2OOL7Q

pith:2017:HK2OOL7QMTXRYR3PUWMPXGJNIW

not attested not anchored not stored refs pending

Space-time domain solutions of the wave equation by a non-singular boundary integral method and Fourier transform

Derek Y. C. Chan, Evert Klaseboer, Shahrokh Sepehrirahnama

arxiv:1706.07919 v1 · 2017-06-24 · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HK2OOL7QMTXRYR3PUWMPXGJNIW}

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	2026-05-18T00:33:17.029097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ab4e72ff064ef1c476fa598fb992d4591fcd39b7ca753b11b8b5d4f0148a8dc

Aliases

arxiv: 1706.07919 · arxiv_version: 1706.07919v1 · doi: 10.48550/arxiv.1706.07919 · pith_short_12: HK2OOL7QMTXR · pith_short_16: HK2OOL7QMTXRYR3P · pith_short_8: HK2OOL7Q

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/HK2OOL7QMTXRYR3PUWMPXGJNIW \
  | 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: 3ab4e72ff064ef1c476fa598fb992d4591fcd39b7ca753b11b8b5d4f0148a8dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "110f7239f227c0e26b9ce66d853a37d95a3b44ce840dea0aeb8ae583a57a9518",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2017-06-24T07:16:03Z",
    "title_canon_sha256": "044b8ed8af742f0aa0adfb21981f2d1233feeeb90827b5bbd3be241bd5018992"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.07919",
    "kind": "arxiv",
    "version": 1
  }
}