Pith Number

pith:FTHKXFQO

pith:2018:FTHKXFQOMMHJOIK4HT6VNVNSYM

not attested not anchored not stored refs pending

3D-Printed Optics for Wafer-Scale Probing

Christian Koos, Mareike Trappen, Matthias Blaicher, Muhammad Rodlin Billah, Philipp-Immanuel Dietrich, Tobias Hoose, Wolfgang Freude, Yilin Xu

arxiv:1808.10834 v1 · 2018-08-31 · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FTHKXFQOMMHJOIK4HT6VNVNSYM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:06:44.486929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cceab960e630e97215c3cfd56d5b2c30bbcb7d6d29b1e9f467291b47880986b

Aliases

arxiv: 1808.10834 · arxiv_version: 1808.10834v1 · doi: 10.48550/arxiv.1808.10834 · pith_short_12: FTHKXFQOMMHJ · pith_short_16: FTHKXFQOMMHJOIK4 · pith_short_8: FTHKXFQO

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/FTHKXFQOMMHJOIK4HT6VNVNSYM \
  | 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: 2cceab960e630e97215c3cfd56d5b2c30bbcb7d6d29b1e9f467291b47880986b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c6a7d4598ab71581724a71f1b06944524c1c622244c2b67401cd5d00816c2fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-08-31T16:34:37Z",
    "title_canon_sha256": "aa80e9af955ad8e95bddde9529d622dde77ae1d9bc01fc1c9cc68fefdf72e02a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10834",
    "kind": "arxiv",
    "version": 1
  }
}