Pith Number

pith:E2USWOHV

pith:2019:E2USWOHVKBO4ND4APTAKWEPCRN

not attested not anchored not stored refs pending

Towards model based control of the Vertical Gradient Freeze crystal growth process

Christiane Frank-Rotsch, Frank Woittennek, Jan Winkler, Natasha Dropka, Stefan Ecklebe

arxiv:1908.02519 v1 · 2019-08-07 · math.OC · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E2USWOHVKBO4ND4APTAKWEPCRN}

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	2026-07-05T10:13:35.137299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26a92b38f5505dc68f807cc0ab11e28b496820b919f831b2819f5de88b6c6226

Aliases

arxiv: 1908.02519 · arxiv_version: 1908.02519v1 · doi: 10.48550/arxiv.1908.02519 · pith_short_12: E2USWOHVKBO4 · pith_short_16: E2USWOHVKBO4ND4A · pith_short_8: E2USWOHV

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/E2USWOHVKBO4ND4APTAKWEPCRN \
  | 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: 26a92b38f5505dc68f807cc0ab11e28b496820b919f831b2819f5de88b6c6226

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3a6d6d4522f88104e7444681bdf9f14d1cfb29caf1ede5bf3531022ee176a75",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-08-07T10:34:25Z",
    "title_canon_sha256": "ff7c0f4f28b56ebc3885dbc3ae17af3992cf79abef5f29cb813b5b26539d6f3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02519",
    "kind": "arxiv",
    "version": 1
  }
}