Pith Number

pith:ONF4EBS3

pith:2020:ONF4EBS36RZXQW2KXZYWBPPLI5

not attested not anchored not stored refs pending

A highly accurate boundary integral method for the elastic obstacle scattering problem

Heping Dong, Jun Lai, Peijun Li

arxiv:2007.08808 v1 · 2020-07-17 · math.NA · cs.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{ONF4EBS36RZXQW2KXZYWBPPLI5}

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	2026-07-05T01:19:57.567489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

734bc2065bf473785b4abe7160bdeb475cddd9bb0fffb75e38389e23c255f916

Aliases

arxiv: 2007.08808 · arxiv_version: 2007.08808v1 · doi: 10.48550/arxiv.2007.08808 · pith_short_12: ONF4EBS36RZX · pith_short_16: ONF4EBS36RZXQW2K · pith_short_8: ONF4EBS3

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/ONF4EBS36RZXQW2KXZYWBPPLI5 \
  | 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: 734bc2065bf473785b4abe7160bdeb475cddd9bb0fffb75e38389e23c255f916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c67b71283b8dcd258f2d204cdf287040fd5fd097341bb572f7e47502d84b4493",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-07-17T08:11:24Z",
    "title_canon_sha256": "6a8b76d4144c995ca5280b4097b1873b2c1ca5b110b64f549d528e94f3583640"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.08808",
    "kind": "arxiv",
    "version": 1
  }
}