Pith Number

pith:Y2A4A74Y

pith:2024:Y2A4A74YGXOG6XRKFRDKZ7NOLE

not attested not anchored not stored refs pending

An 808 Line Phasor-Based Dehomogenisation Matlab Code For Multi-Scale Topology Optimisation

Ole Sigmund, Peter D{\o}rffler Ladegaard Jensen, Rebekka Varum Woldseth

arxiv:2405.14321 v2 · 2024-05-23 · cs.MS · cs.NA · 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{Y2A4A74YGXOG6XRKFRDKZ7NOLE}

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	2026-07-05T08:22:41.648774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c681c07f9835dc6f5e2a2c46acfdae5921a6473e404186ccf5a86ea6e97bec35

Aliases

arxiv: 2405.14321 · arxiv_version: 2405.14321v2 · doi: 10.48550/arxiv.2405.14321 · pith_short_12: Y2A4A74YGXOG · pith_short_16: Y2A4A74YGXOG6XRK · pith_short_8: Y2A4A74Y

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/Y2A4A74YGXOG6XRKFRDKZ7NOLE \
  | 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: c681c07f9835dc6f5e2a2c46acfdae5921a6473e404186ccf5a86ea6e97bec35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50892fc4622b88e9fa9ad51a349ad27adcbfbf3180e6825bab9dd7e912364960",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2024-05-23T08:53:24Z",
    "title_canon_sha256": "8ccba9c959b2022bfe9298385d065e1a40c42feb311785fb9f73b1a3d1660d8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.14321",
    "kind": "arxiv",
    "version": 2
  }
}