Pith Number

pith:DU722NNU

pith:2018:DU722NNUXXUM2AKHMYLVKDVWVZ

not attested not anchored not stored refs pending

A finite element method for the Monge-Amp\`ere equation with transport boundary conditions

Ellya Kawecki, Omar Lakkis, Tristan Pryer

arxiv:1807.03535 v3 · 2018-07-10 · math.NA · math.AP · math.OC · physics.comp-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DU722NNUXXUM2AKHMYLVKDVWVZ}

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	2026-05-18T00:07:23.326899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d3fad35b4bde8cd01476617550eb6ae6ead05015d93f3c43ebb0f0757172e8a

Aliases

arxiv: 1807.03535 · arxiv_version: 1807.03535v3 · doi: 10.48550/arxiv.1807.03535 · pith_short_12: DU722NNUXXUM · pith_short_16: DU722NNUXXUM2AKH · pith_short_8: DU722NNU

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/DU722NNUXXUM2AKHMYLVKDVWVZ \
  | 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: 1d3fad35b4bde8cd01476617550eb6ae6ead05015d93f3c43ebb0f0757172e8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68651bfcb57d5476de7aa4ae03f592a27fea3678163e3e7d99333ab63aa86f43",
    "cross_cats_sorted": [
      "math.AP",
      "math.OC",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-07-10T09:07:24Z",
    "title_canon_sha256": "711db9d9792b1c701e15b765c08896af6c3c9bab2286339049ef70a1b0b6a0b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03535",
    "kind": "arxiv",
    "version": 3
  }
}