OpenTechnical

OT-2026-000006173

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, pump fed, contact triggered, vented after set down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000006173) never changes.

Identity and time

Publication numberOT-2026-000006173 · never reused
Internal UUID01a0a951-d198-7de7-a38e-902a00d650f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:25:06.715516Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006173
StatusPUBLIC

Content hashes

Canonical text226b91b8034b6efbd873055e0bfb2a094e8351987cd0019fefb8b4fb8058b890
Markdown1e79c2b1f3da1f95850e54478af116de3ec31c52471edbe943647e268373d503
PDF
Publication page0ff60bd37f63212bfcb5dfcf8af4e7e5dfe3d31c8b4cd8be3696cf042a0bde30
Manifest457bafd3da70991fe8ba6cb53b9a2701df9c1c143a90ca64638aa9de4c5f73c6

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureCgRqUh4XeTeyN93mtsJ5h/g8lzSjqz3J1u7HmDfsqvWX3BH39LHwVep9lpV3RTqyVxt2Cjahx/F8m3qBRv2ZCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:19.385714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006173
observed 0ff60bd37f63212bfcb5dfcf8af4e7e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:19.373143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006173/manifest.json
observed 457bafd3da70991fe8ba6cb53b9a2701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:19.234675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006173/publication.md
observed 1e79c2b1f3da1f95850e54478af116de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:19.217026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006173/publication.txt
observed 226b91b8034b6efbd873055e0bfb2a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.