Pith Number

pith:DXN4J6R7

pith:2014:DXN4J6R7FZUCTA45OSNE5DS7HR

not attested not anchored not stored refs pending

Optimal control of elliptic PDEs at points

A. S. Dedner, C. Brett, C. M. Elliott

arxiv:1411.4941 v1 · 2014-11-18 · 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{DXN4J6R7FZUCTA45OSNE5DS7HR}

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	2026-05-18T02:34:46.427748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ddbc4fa3f2e6829839d749a4e8e5f3c4cd874a18a23e42ced39929bfe1f6ee2

Aliases

arxiv: 1411.4941 · arxiv_version: 1411.4941v1 · doi: 10.48550/arxiv.1411.4941 · pith_short_12: DXN4J6R7FZUC · pith_short_16: DXN4J6R7FZUCTA45 · pith_short_8: DXN4J6R7

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/DXN4J6R7FZUCTA45OSNE5DS7HR \
  | 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: 1ddbc4fa3f2e6829839d749a4e8e5f3c4cd874a18a23e42ced39929bfe1f6ee2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c6c9099745b0bf37687f42a5ad875a0437bfbf0cc49ed46ab15861a71a04a00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-11-18T18:03:58Z",
    "title_canon_sha256": "ca7344baaad5a642891f62a093723cfc4d5d41f0977e14bdbcdfcca88f077ab4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4941",
    "kind": "arxiv",
    "version": 1
  }
}