Pith Number

pith:NVJZ3AM7

pith:2011:NVJZ3AM7DLCQGA5BK66KKZ23NX

not attested not anchored not stored refs pending

A high-order Nystrom discretization scheme for boundary integral equations defined on rotationally symmetric surfaces

P.G. Martinsson, P. Young, S. Hao

arxiv:1201.0077 v1 · 2011-12-30 · math.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{NVJZ3AM7DLCQGA5BK66KKZ23NX}

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	2026-05-18T01:58:59.495511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d539d819f1ac50303a157bca5675b6de80877491410ff89669230e3f1cd472d

Aliases

arxiv: 1201.0077 · arxiv_version: 1201.0077v1 · doi: 10.48550/arxiv.1201.0077 · pith_short_12: NVJZ3AM7DLCQ · pith_short_16: NVJZ3AM7DLCQGA5B · pith_short_8: NVJZ3AM7

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/NVJZ3AM7DLCQGA5BK66KKZ23NX \
  | 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: 6d539d819f1ac50303a157bca5675b6de80877491410ff89669230e3f1cd472d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94874ac72ad54304005d4a4ae0fd49e967256d3fffe0c24d73ac0d03274ac667",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-12-30T08:25:15Z",
    "title_canon_sha256": "0dcfc18520055677017ecd3c25b5ed46286b1aff7dfb34e5eef83a9f2d03aca4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0077",
    "kind": "arxiv",
    "version": 1
  }
}