Pith Number

pith:LEQXBSNY

pith:2009:LEQXBSNYNQPWLONJR2IPVOYKXT

not attested not anchored not stored refs pending

Stability of Lagrange elements for the mixed Laplacian

Douglas N. Arnold, Marie E. Rognes

arxiv:0907.3438 v1 · 2009-07-20 · 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{LEQXBSNYNQPWLONJR2IPVOYKXT}

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	2026-05-18T00:01:11.121955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

592170c9b86c1f65b9a98e90fabb0abcf1c7a0380ba3bcd04f5943264938a418

Aliases

arxiv: 0907.3438 · arxiv_version: 0907.3438v1 · doi: 10.48550/arxiv.0907.3438 · pith_short_12: LEQXBSNYNQPW · pith_short_16: LEQXBSNYNQPWLONJ · pith_short_8: LEQXBSNY

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/LEQXBSNYNQPWLONJR2IPVOYKXT \
  | 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: 592170c9b86c1f65b9a98e90fabb0abcf1c7a0380ba3bcd04f5943264938a418

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "127e29a1010f574bb08757bbc7564b12269632954065a6a1d612bc37ba68dc56",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-07-20T16:10:39Z",
    "title_canon_sha256": "b32da651b5e52dcdf2c24e8e3181ffedc3250234c68cf8cae36786e623df01d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3438",
    "kind": "arxiv",
    "version": 1
  }
}