Pith Number

pith:KI4MYODK

pith:2018:KI4MYODKBSYE3BISDNYJ2IXPEZ

not attested not anchored not stored refs pending

Precision manufacturing of a lightweight mirror body made by selective laser melting

Andreas T\"unnermann, Enrico Hilpert, Johannes Hartung, Ramona Eberhardt, Stefan Risse

arxiv:1806.01591 v1 · 2018-06-05 · physics.app-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{KI4MYODKBSYE3BISDNYJ2IXPEZ}

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	2026-05-18T00:12:02.188303Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5238cc386a0cb04d85121b709d22ef266e59e13568cba68ac7f28d5578d7cbd2

Aliases

arxiv: 1806.01591 · arxiv_version: 1806.01591v1 · doi: 10.48550/arxiv.1806.01591 · pith_short_12: KI4MYODKBSYE · pith_short_16: KI4MYODKBSYE3BIS · pith_short_8: KI4MYODK

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/KI4MYODKBSYE3BISDNYJ2IXPEZ \
  | 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: 5238cc386a0cb04d85121b709d22ef266e59e13568cba68ac7f28d5578d7cbd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d6f234fe76bfac8eb4cdc1a77a513cd6cb2bd3bb92e67f4ba0ea2f73090f624",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-06-05T10:05:27Z",
    "title_canon_sha256": "0fa20ad9c8389a161915b68afcaf58059598f37137b5d488fb9fd7cd91802fe9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.01591",
    "kind": "arxiv",
    "version": 1
  }
}