Pith Number

pith:B74XHO77

pith:2010:B74XHO77XHQAZ6SSVNQ7JFTKHY

not attested not anchored not stored refs pending

Condition number estimates for combined potential integral operators in acoustics and their boundary element discretisation

Ivan G. Graham, Marko Lindner, Simon N. Chandler-Wilde, Stephen Langdon, Timo Betcke

arxiv:1007.3074 v1 · 2010-07-19 · math.NA · cs.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{B74XHO77XHQAZ6SSVNQ7JFTKHY}

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	2026-06-03T23:06:39.411641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ff973bbffb9e00cfa52ab61f4966a3e1a6a8f1c8c7ff27ac45bd960f04a6d71

Aliases

arxiv: 1007.3074 · arxiv_version: 1007.3074v1 · doi: 10.48550/arxiv.1007.3074 · pith_short_12: B74XHO77XHQA · pith_short_16: B74XHO77XHQAZ6SS · pith_short_8: B74XHO77

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/B74XHO77XHQAZ6SSVNQ7JFTKHY \
  | 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: 0ff973bbffb9e00cfa52ab61f4966a3e1a6a8f1c8c7ff27ac45bd960f04a6d71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c38d0a0aa9fd71513bd931b63db319f2e8da923e7b7519499cfeca59af74fa60",
    "cross_cats_sorted": [
      "cs.NA",
      "math-ph",
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2010-07-19T07:20:48Z",
    "title_canon_sha256": "d49925cdd1dee673ac07baa53eab82d8bf031f46350dcea939901e654669b37e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.3074",
    "kind": "arxiv",
    "version": 1
  }
}