Pith Number

pith:APGRXTSJ

pith:2018:APGRXTSJIR4PI36OMXAE37OEAX

not attested not anchored not stored refs pending

Adaptive finite element methods for the pointwise tracking optimal control problem of the Stokes equations

Alejandro Allendes, Daniel Quero, Enrique Ot\'arola, Francisco Fuica

arxiv:1810.02415 v1 · 2018-10-04 · math.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{APGRXTSJIR4PI36OMXAE37OEAX}

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	2026-05-18T00:04:01.900892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03cd1bce494478f46fce65c04dfdc405f8e3c8ef7cd09bf6b7cc6c2ea30ce9b3

Aliases

arxiv: 1810.02415 · arxiv_version: 1810.02415v1 · doi: 10.48550/arxiv.1810.02415 · pith_short_12: APGRXTSJIR4P · pith_short_16: APGRXTSJIR4PI36O · pith_short_8: APGRXTSJ

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/APGRXTSJIR4PI36OMXAE37OEAX \
  | 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: 03cd1bce494478f46fce65c04dfdc405f8e3c8ef7cd09bf6b7cc6c2ea30ce9b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99042e0ec6b8619c0199933f9536ae17723ee80de20c92f543673444df1b3fa1",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-10-04T20:29:37Z",
    "title_canon_sha256": "97cc23293fda360d43f44bb3049fdb60b1c3bdf185de1415b2cf1b6a9190cadb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02415",
    "kind": "arxiv",
    "version": 1
  }
}