Pith Number

pith:NNJCY7RA

pith:2011:NNJCY7RA4M6VKD66HORCZAPNNQ

not attested not anchored not stored refs pending

Adaptive boundary element methods with convergence rates

Tsogtgerel Gantumur

arxiv:1107.0524 v4 · 2011-07-04 · 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{NNJCY7RA4M6VKD66HORCZAPNNQ}

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	2026-05-18T03:38:05.167410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b522c7e20e33d550fde3ba22c81ed6c23e79f2fe9a610cd804f5f4f2a690dd9

Aliases

arxiv: 1107.0524 · arxiv_version: 1107.0524v4 · doi: 10.48550/arxiv.1107.0524 · pith_short_12: NNJCY7RA4M6V · pith_short_16: NNJCY7RA4M6VKD66 · pith_short_8: NNJCY7RA

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/NNJCY7RA4M6VKD66HORCZAPNNQ \
  | 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: 6b522c7e20e33d550fde3ba22c81ed6c23e79f2fe9a610cd804f5f4f2a690dd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd2edbd0aa7e0cccfd7a72cea53fec15271b0c8adf59bd15c6c45d0e0e67acea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-07-04T04:48:54Z",
    "title_canon_sha256": "a7fbd9d947348f3aeaad20747c856a37c303016c408058dd44c478f79f92ff92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0524",
    "kind": "arxiv",
    "version": 4
  }
}