Pith Number

pith:WN4MGAFW

pith:2015:WN4MGAFWSXSO45ZHOWL7NQPLJA

not attested not anchored not stored refs pending

A Certified Natural-Norm Successive Constraint Method for Parametric Inf-Sup Lower Bounds

Yanlai Chen

arxiv:1503.04760 v1 · 2015-03-16 · 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{WN4MGAFWSXSO45ZHOWL7NQPLJA}

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	2026-05-18T02:23:24.093164Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b378c300b695e4ee77277597f6c1eb482c2bd2fa930eb93a270d9653549e0329

Aliases

arxiv: 1503.04760 · arxiv_version: 1503.04760v1 · doi: 10.48550/arxiv.1503.04760 · pith_short_12: WN4MGAFWSXSO · pith_short_16: WN4MGAFWSXSO45ZH · pith_short_8: WN4MGAFW

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/WN4MGAFWSXSO45ZHOWL7NQPLJA \
  | 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: b378c300b695e4ee77277597f6c1eb482c2bd2fa930eb93a270d9653549e0329

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6579b152af590f006ab8b5ff72d05f8d138bb70ec9e2f69381076c3fe93ea52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-03-16T18:32:00Z",
    "title_canon_sha256": "64d7e8b471f8cdd3f5c8377d4bb5162b9ded592232f51d9f305bf6668c002f26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.04760",
    "kind": "arxiv",
    "version": 1
  }
}