Pith Number

pith:JXBWDTEM

pith:2016:JXBWDTEMKSUXIJDISIAFTLURO2

not attested not anchored not stored refs pending

Certified Descent Algorithm for shape optimization driven by fully-computable a posteriori error estimators

Karim Trabelsi, Matteo Giacomini, Olivier Pantz

arxiv:1604.04921 v1 · 2016-04-17 · 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{JXBWDTEMKSUXIJDISIAFTLURO2}

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	2026-05-18T00:15:00.292813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dc361cc8c54a9742468920059ae91768e883c1c16901b63bca642d724f29867

Aliases

arxiv: 1604.04921 · arxiv_version: 1604.04921v1 · doi: 10.48550/arxiv.1604.04921 · pith_short_12: JXBWDTEMKSUX · pith_short_16: JXBWDTEMKSUXIJDI · pith_short_8: JXBWDTEM

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/JXBWDTEMKSUXIJDISIAFTLURO2 \
  | 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: 4dc361cc8c54a9742468920059ae91768e883c1c16901b63bca642d724f29867

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4fb996f4f3eeb788617d92ba038fd3900efc2c4da115e4859fef6d64f3d289d",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-04-17T20:32:50Z",
    "title_canon_sha256": "902834bfce25751ddfdf8923ed9dc51ae26e9d6b286555aff397d00904adda62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04921",
    "kind": "arxiv",
    "version": 1
  }
}