Pith Number

pith:7VEFAORH

pith:2021:7VEFAORHGO7TFVQV2PJK75UOB4

not attested not anchored not stored refs pending

Optimal control using flux potentials: A way to construct bound-preserving finite element schemes for conservation laws

Dmitri Kuzmin, Falko Ruppenthal

arxiv:2110.09912 v1 · 2021-10-19 · math.NA · cs.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{7VEFAORHGO7TFVQV2PJK75UOB4}

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	2026-07-05T03:24:00.796036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd48503a2733bf32d615d3d2aff68e0f00982668d1961f69b4156aa24615bff7

Aliases

arxiv: 2110.09912 · arxiv_version: 2110.09912v1 · doi: 10.48550/arxiv.2110.09912 · pith_short_12: 7VEFAORHGO7T · pith_short_16: 7VEFAORHGO7TFVQV · pith_short_8: 7VEFAORH

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/7VEFAORHGO7TFVQV2PJK75UOB4 \
  | 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: fd48503a2733bf32d615d3d2aff68e0f00982668d1961f69b4156aa24615bff7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb5c5f7c708ea82f8327b8418ab44f152099dd3ce50716ae69e33fcd7b877c6d",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-10-19T12:19:40Z",
    "title_canon_sha256": "5b9ac7f11021164c5fbb1d438d61ebc579421794bcd3bc429555e96a305cf452"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.09912",
    "kind": "arxiv",
    "version": 1
  }
}