OpenTechnical

OT-2026-000088531

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000088531) never changes.

Identity and time

Publication numberOT-2026-000088531 · never reused
Internal UUID01a0ae9b-5d28-764c-84ce-1ddc1aa9e845 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:32.662646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088531
StatusPUBLIC

Content hashes

Canonical text1a4cad30dc0b9b38d61c48f9bc451ac35ac84f928a074d4988a2146b2355d584
Markdown816f2ce051af044e29824cd03deeb6ae50658bb516f6a4b30804699819d7320d
PDF
Publication page28524d7d3fe00899f11f00f3d36c727cf71ccd7137989dd3b1f12b873a411fd0
Manifesta1e8b4242159375bdfb71318166b84a96505ee08cbc04169ab079b5ebc3f4ad6

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
Signature8+/daeElnOqjwIe+iphSCtZDqQ8TRboOPPscTGrp09WPOr0bEaEjL+R5IivRuMcYsHEN/fT+PjOl5jJm62eiCA==
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

2026-09-17T09:48:50.112206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088531
observed 28524d7d3fe00899f11f00f3d36c727c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:50.095623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088531/manifest.json
observed a1e8b4242159375bdfb71318166b84a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:50.077686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088531/publication.md
observed 816f2ce051af044e29824cd03deeb6ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:50.061116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088531/publication.txt
observed 1a4cad30dc0b9b38d61c48f9bc451ac3...
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.