Pith Number

pith:DJ543HNZ

pith:2011:DJ543HNZZLSW3EBCZGZVTS4RGV

not attested not anchored not stored refs pending

The optimal aspect ratio for piecewise quadratic anisotropic finite element approximation

Jean-Marie Mirebeau

arxiv:1101.0610 v1 · 2011-01-03 · 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{DJ543HNZZLSW3EBCZGZVTS4RGV}

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	2026-05-18T04:32:02.395897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a7bcd9db9cae56d9022c9b359cb91354d65b0f0ac81e2f376fa7487485e60a3

Aliases

arxiv: 1101.0610 · arxiv_version: 1101.0610v1 · doi: 10.48550/arxiv.1101.0610 · pith_short_12: DJ543HNZZLSW · pith_short_16: DJ543HNZZLSW3EBC · pith_short_8: DJ543HNZ

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/DJ543HNZZLSW3EBCZGZVTS4RGV \
  | 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: 1a7bcd9db9cae56d9022c9b359cb91354d65b0f0ac81e2f376fa7487485e60a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a82b677bd3952859683a356130867b64bea35b602a087f9b8857c549a4141db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-01-03T21:22:23Z",
    "title_canon_sha256": "49a57bf235e981b1546c7ab77667ac2d6bf95e6bd502a84de020d861426c1ea8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.0610",
    "kind": "arxiv",
    "version": 1
  }
}