Pith Number

pith:JF7OROOE

pith:2021:JF7OROOE2NNQWRA3H47XYJ5RYJ

not attested not anchored not stored refs pending

Transferable Model for Shape Optimization subject to Physical Constraints

Johannes Burgbacher, Lukas Harsch, Stefan Riedelbauch

arxiv:2103.10805 v1 · 2021-03-19 · cs.AI · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JF7OROOE2NNQWRA3H47XYJ5RYJ}

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	2026-07-05T02:24:45.052732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

497ee8b9c4d35b0b441b3f3f7c27b1c2521777c77710fc85dab0ae811a3f5553

Aliases

arxiv: 2103.10805 · arxiv_version: 2103.10805v1 · doi: 10.48550/arxiv.2103.10805 · pith_short_12: JF7OROOE2NNQ · pith_short_16: JF7OROOE2NNQWRA3 · pith_short_8: JF7OROOE

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/JF7OROOE2NNQWRA3H47XYJ5RYJ \
  | 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: 497ee8b9c4d35b0b441b3f3f7c27b1c2521777c77710fc85dab0ae811a3f5553

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00dc0aedb2611ddd9a635e5d62e554d6d8c6e8b3bab24e9aa45409a4780294e3",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2021-03-19T13:49:21Z",
    "title_canon_sha256": "1ed237001aa6e1a1082d95199fdf7e29ba5122f628e94b4e00b02a91bf4e1301"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.10805",
    "kind": "arxiv",
    "version": 1
  }
}