Pith Number

pith:QXQCC4Z2

pith:2019:QXQCC4Z27BX3RSG4EXPQKH6SRV

not attested not anchored not stored refs pending

PtIr protective coating system for precision glass molding tools: design, evaluation and mechanism of degradation

Baptiste Gault, Marcel Friedrichs, Michael Rohwerder, Thomas Bergs, Tim Grunwald, Zirong Peng

arxiv:1910.04497 v2 · 2019-10-10 · physics.app-ph · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QXQCC4Z27BX3RSG4EXPQKH6SRV}

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	2026-07-05T00:14:21.839057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85e021733af86fb8c8dc25df051fd28d6e2562fdbb36327d45cdbd4497243b66

Aliases

arxiv: 1910.04497 · arxiv_version: 1910.04497v2 · doi: 10.48550/arxiv.1910.04497 · pith_short_12: QXQCC4Z27BX3 · pith_short_16: QXQCC4Z27BX3RSG4 · pith_short_8: QXQCC4Z2

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/QXQCC4Z27BX3RSG4EXPQKH6SRV \
  | 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: 85e021733af86fb8c8dc25df051fd28d6e2562fdbb36327d45cdbd4497243b66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "809e865377e711619b41f2f923846a7761015e2647d1bc6f3024d2fe5ca28a9b",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-10-10T11:51:09Z",
    "title_canon_sha256": "a71c787bc347589f0757059431d3023c76e7feb978e54028697fe24131e0e29a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.04497",
    "kind": "arxiv",
    "version": 2
  }
}