Pith Number

pith:KP643MZP

pith:2019:KP643MZPMYVWNXYEJZMS7222HA

not attested not anchored not stored refs pending

A quasi-optimal variant of the Hybrid High-Order method for elliptic PDEs with $H^{-1}$ loads

Alexandre Ern, Pietro Zanotti

arxiv:1904.13125 v1 · 2019-04-30 · 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{KP643MZPMYVWNXYEJZMS7222HA}

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	2026-05-17T23:47:22.093572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53fdcdb32f662b66df044e592feb5a3827b97d5650f13085c80b1d249a3b1c25

Aliases

arxiv: 1904.13125 · arxiv_version: 1904.13125v1 · doi: 10.48550/arxiv.1904.13125 · pith_short_12: KP643MZPMYVW · pith_short_16: KP643MZPMYVWNXYE · pith_short_8: KP643MZP

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/KP643MZPMYVWNXYEJZMS7222HA \
  | 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: 53fdcdb32f662b66df044e592feb5a3827b97d5650f13085c80b1d249a3b1c25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c63428a1722050133bf5ed92ae69f505dc6815e015b5acf6c640124a5a84bc2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-04-30T09:50:06Z",
    "title_canon_sha256": "8b8a2fcd7da9895afc41fdbfb8e34cdfe677aa8641fdfe20aa575bfaa8a8b80a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.13125",
    "kind": "arxiv",
    "version": 1
  }
}