Pith Number

pith:SHGRDOAZ

pith:2016:SHGRDOAZPVWNY4UIDGMPVOARNF

not attested not anchored not stored refs pending

The gradient discretisation method for optimal control problems, with super-convergence for non-conforming finite elements and mixed-hybrid mimetic finite differences

Devika Shylaja, Jerome Droniou, Neela Nataraj

arxiv:1608.01726 v8 · 2016-08-05 · 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{SHGRDOAZPVWNY4UIDGMPVOARNF}

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	2026-05-18T00:03:59.321624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91cd11b8197d6cdc72881998fab81169644826ce4376308b34fe8e14bceb2b9d

Aliases

arxiv: 1608.01726 · arxiv_version: 1608.01726v8 · doi: 10.48550/arxiv.1608.01726 · pith_short_12: SHGRDOAZPVWN · pith_short_16: SHGRDOAZPVWNY4UI · pith_short_8: SHGRDOAZ

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/SHGRDOAZPVWNY4UIDGMPVOARNF \
  | 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: 91cd11b8197d6cdc72881998fab81169644826ce4376308b34fe8e14bceb2b9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ac4b37e1ce42a28d62e97459b7efdaaac179cde0f7fa95cf5db2b649c87b591",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-08-05T00:21:00Z",
    "title_canon_sha256": "7eaf348b63897f8598e805c47615cea8ac9d0e58af0975918666abba718d9b2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.01726",
    "kind": "arxiv",
    "version": 8
  }
}