Pith Number

pith:2RMUS76K

pith:2019:2RMUS76K52HP6QRGPCUWKFD4MJ

not attested not anchored not stored refs pending

De-homogenization of optimal multi-scale 3D topologies

Florian Stutz, J. Andreas B{\ae}rentzen, Jeroen Groen, Niels Aage, Ole Sigmund

arxiv:1910.13002 v1 · 2019-10-28 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2RMUS76K52HP6QRGPCUWKFD4MJ}

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	2026-07-05T00:56:36.447908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d459497fcaee8eff422678a965147c626b87dc05b78884b0cc5ed70aecfed676

Aliases

arxiv: 1910.13002 · arxiv_version: 1910.13002v1 · doi: 10.48550/arxiv.1910.13002 · pith_short_12: 2RMUS76K52HP · pith_short_16: 2RMUS76K52HP6QRG · pith_short_8: 2RMUS76K

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/2RMUS76K52HP6QRGPCUWKFD4MJ \
  | 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: d459497fcaee8eff422678a965147c626b87dc05b78884b0cc5ed70aecfed676

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d40cc4c916f0301beaa35862d161cfd4dda04241c6c58dc978b2346df96796e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2019-10-28T23:00:19Z",
    "title_canon_sha256": "d5abf7877c9cf530602017a2aaf1f2183f5f6283ab2da7abe2d20a52d11878d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.13002",
    "kind": "arxiv",
    "version": 1
  }
}