Pith Number

pith:A57MNW6Y

pith:2022:A57MNW6YFKLEOWHAXHWTYPZ3KW

not attested not anchored not stored refs pending

Deflectometry for specular surfaces: an overview

Alexey Pak, Jan Burke, J\"urgen Beyerer, Masoud Roschani, Mathias Ziebarth, Sebastian H\"ofer

arxiv:2204.11592 v1 · 2022-04-10 · physics.optics · cs.CV · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A57MNW6YFKLEOWHAXHWTYPZ3KW}

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	2026-07-05T04:17:29.685007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

077ec6dbd82a964758e0b9ed3c3f3b558b0e55968a8d29d68bbc43742ec580ff

Aliases

arxiv: 2204.11592 · arxiv_version: 2204.11592v1 · doi: 10.48550/arxiv.2204.11592 · pith_short_12: A57MNW6YFKLE · pith_short_16: A57MNW6YFKLEOWHA · pith_short_8: A57MNW6Y

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/A57MNW6YFKLEOWHAXHWTYPZ3KW \
  | 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: 077ec6dbd82a964758e0b9ed3c3f3b558b0e55968a8d29d68bbc43742ec580ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91ba2c7506798e4a3233495f9409adff09c6fe29f7ecc9c78f1078b0e36e5968",
    "cross_cats_sorted": [
      "cs.CV",
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-04-10T22:17:47Z",
    "title_canon_sha256": "3c072232c59ed283ec01efa456819e167df8e2c132926ff9410b427de14e0bda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.11592",
    "kind": "arxiv",
    "version": 1
  }
}