Pith Number

pith:SKR6DSJ7

pith:2011:SKR6DSJ75HZFDQGWFIPCOZNFME

not attested not anchored not stored refs pending

Uniformly stable rectangular elements for fourth order elliptic singular perturbation problems

Li Wang, Xiaoping Xie

arxiv:1101.1218 v1 · 2011-01-06 · 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{SKR6DSJ75HZFDQGWFIPCOZNFME}

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	2026-05-18T04:32:00.307995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92a3e1c93fe9f251c0d62a1e2765a561198cd24f6799d2ff46d8e2c409aa519d

Aliases

arxiv: 1101.1218 · arxiv_version: 1101.1218v1 · doi: 10.48550/arxiv.1101.1218 · pith_short_12: SKR6DSJ75HZF · pith_short_16: SKR6DSJ75HZFDQGW · pith_short_8: SKR6DSJ7

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/SKR6DSJ75HZFDQGWFIPCOZNFME \
  | 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: 92a3e1c93fe9f251c0d62a1e2765a561198cd24f6799d2ff46d8e2c409aa519d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13d0b1559b2b2ab8608782be81b411969c8d1d969eaff6eb271da7bd700fa548",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-01-06T14:20:23Z",
    "title_canon_sha256": "273e14ab5e0b4d169a369d21992ec706d4b303ecab4782d189858a05a7684f82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.1218",
    "kind": "arxiv",
    "version": 1
  }
}