OpenTechnical

OT-2026-000027363

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, pulsed blow-off before set-down, on a tool changer

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-2026-000027363) never changes.

Identity and time

Publication numberOT-2026-000027363 · never reused
Internal UUID01a0ae72-6997-783b-b642-fb3af27d19e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027363
StatusPUBLIC

Content hashes

Canonical textc3eaba7617881e653e22505104d868d3258fddad2279f1516afc1c8e5528384d
Markdowna35f4334be6f1f1ae0ac329f17022227b2021493469ded34af81af57a2cc8c62
PDF
Publication pageec5a17e1c8ddb498199b3a42340398b88ed55d983e28fbdc1823868132e3f6e4
Manifest059b9cc0007a7e8ec22e0aed5bc4bee08d4be33157ab350c91402c2a5d2eedf0

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
SignatureC29dWvMyV13mQN2ejxW5YQdZdG+JUsGveeqkikY+tZhg8OmvFhbG6q2W2KzVxGDxuoVt8girKn565NXjuOa9BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:42:46.583709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027363
observed ec5a17e1c8ddb498199b3a42340398b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:46.565757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027363/manifest.json
observed 059b9cc0007a7e8ec22e0aed5bc4bee0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:46.541637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027363/publication.md
observed a35f4334be6f1f1ae0ac329f17022227...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:46.525915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027363/publication.txt
observed c3eaba7617881e653e22505104d868d3...
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.