OpenTechnical

OT-2026-000092504

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000092504) never changes.

Identity and time

Publication numberOT-2026-000092504 · never reused
Internal UUID01a0ae9d-b5fd-78a4-96fc-2d568d5dc018 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092504
StatusPUBLIC

Content hashes

Canonical text15587801fc9003eebe6e5038cfb6a4e1430f48dc82c4f591a69128060517c4f8
Markdown2f55b44b63fad443d0f4771e5b0f5864a7a25cb9dee8ba34d063a4eb8516166e
PDF
Publication page5b1339e75e0486a94d89e76dc4710d649b5e5cd7cbb300a24b21ac04d9849544
Manifestbb0fe07b31df138dc85c09370a4f7f2b2643e720437c26db89180d28854a2ae5

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
SignatureShVBxUkkN/UWNAYXyk1ooybzuYoItkZSSgDGoxNgsnJpGXOyTuyQT0wZ9cRxVMdv9YRhodyhbTvIjNplrvv8AQ==
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

2026-09-17T09:41:04.631723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092504
observed 5b1339e75e0486a94d89e76dc4710d64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:04.613635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092504/manifest.json
observed bb0fe07b31df138dc85c09370a4f7f2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:04.595823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092504/publication.md
observed 2f55b44b63fad443d0f4771e5b0f5864...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:04.579206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092504/publication.txt
observed 15587801fc9003eebe6e5038cfb6a4e1...
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.