OpenTechnical

OT-2026-000063675

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000063675) never changes.

Identity and time

Publication numberOT-2026-000063675 · never reused
Internal UUID01a0ae8c-f946-7bbb-8754-8154687985ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063675
StatusPUBLIC

Content hashes

Canonical textd967aaab7419a57305f0f3287cadae592d07c51467fe758bee4e73575bbf5029
Markdownfc110219c24d30286219064a6fc2454901108164a36696fb35d3e48ca84403a8
PDF
Publication page2abeb8a114ea63a5271cec0c2e85ae634335982c53549a850c4644712e75ccb2
Manifest16293ec75cb1db20b5d25e51cb5eb9a7b115a6b2c286ca369b4025c4b508b0f7

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
SignatureX3pfOPdOCnEeZ3hd7L5WI4IdR+caR7Vuzu/vDyMmeQkAUVYc/zh1Hbde6Lx0TL57YXVBVLtOqdYkP3sj39kJDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:37:47.369828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063675
observed 2abeb8a114ea63a5271cec0c2e85ae63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:47.353143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063675/manifest.json
observed 16293ec75cb1db20b5d25e51cb5eb9a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:47.336664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063675/publication.md
observed fc110219c24d30286219064a6fc24549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:47.318627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063675/publication.txt
observed d967aaab7419a57305f0f3287cadae59...
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.