Pith Number

pith:TTR3B3NY

pith:2018:TTR3B3NYBCWDKQLRUFRR7OKFIT

not attested not anchored not stored refs pending

Design and analysis adaptivity in multi-resolution topology optimization

Deepak K. Gupta, Fred van Keulen, Matthijs Langelaar

arxiv:1811.09821 v1 · 2018-11-24 · cs.CE · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TTR3B3NYBCWDKQLRUFRR7OKFIT}

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	2026-05-17T23:59:59.386530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ce3b0edb808ac354171a1631fb94544d0e71b29be26a76afd785f09a7e52d54

Aliases

arxiv: 1811.09821 · arxiv_version: 1811.09821v1 · doi: 10.48550/arxiv.1811.09821 · pith_short_12: TTR3B3NYBCWD · pith_short_16: TTR3B3NYBCWDKQLR · pith_short_8: TTR3B3NY

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/TTR3B3NYBCWDKQLRUFRR7OKFIT \
  | 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: 9ce3b0edb808ac354171a1631fb94544d0e71b29be26a76afd785f09a7e52d54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9e68d6c1eb2a824f1bea259707d348858cfe4dcbaee0bd5b6a73a19a36166b9",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2018-11-24T12:24:22Z",
    "title_canon_sha256": "77f270f546613bb4616095024866fd05b0af607210156897cb5d6a69af31f5f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09821",
    "kind": "arxiv",
    "version": 1
  }
}