Pith Number

pith:INHO2I46

pith:2015:INHO2I46R5KOSGGCASXTTABZWX

not attested not anchored not stored refs pending

On the stability of time-domain integral equations for acoustic wave propagation

Charles L. Epstein, Leslie Greengard, Thomas Hagstrom

arxiv:1504.04047 v1 · 2015-04-15 · math.NA · math-ph · math.AP · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{INHO2I46R5KOSGGCASXTTABZWX}

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	2026-05-18T02:18:40.075812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

434eed239e8f54e918c204af398039b5c7cbc162b8f2f4e3d9283b6541f66e74

Aliases

arxiv: 1504.04047 · arxiv_version: 1504.04047v1 · doi: 10.48550/arxiv.1504.04047 · pith_short_12: INHO2I46R5KO · pith_short_16: INHO2I46R5KOSGGC · pith_short_8: INHO2I46

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/INHO2I46R5KOSGGCASXTTABZWX \
  | 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: 434eed239e8f54e918c204af398039b5c7cbc162b8f2f4e3d9283b6541f66e74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5f794b9c2268fd7bb87f2ff6ae126d609009c7cb0b894ece82063e9caf1c8ed",
    "cross_cats_sorted": [
      "math-ph",
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-04-15T20:37:34Z",
    "title_canon_sha256": "10a21ebd4456ab7f07f49cd5432721eeccba06884b35ef3f0da18f5100d93158"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04047",
    "kind": "arxiv",
    "version": 1
  }
}