OpenTechnical

OT-2026-000069255

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000069255) never changes.

Identity and time

Publication numberOT-2026-000069255 · never reused
Internal UUID01a0ae90-b528-7baf-aa3e-4b5f2dc21520 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069255
StatusPUBLIC

Content hashes

Canonical text1ea4252f60ef3aa9a3f7642ce7fc7c3148aef4735d4b8debdfe6a1d254e40142
Markdownb902222afaa06e90cef61d2f50725e005167d7e156cdd79f15c30b72ba69e39e
PDF
Publication page3cbfa7e483375354c9986c8ab3eb86beb21a6b7ab6ecf69bf3b7617e86a5caf8
Manifest916a6550f46e1a22ed68cda517d05212990f3004855a38be021316345331efbc

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
Signature5CCitIKhzvAET0cdQnhPfvvwGW+f7blGqXNupnbhVj85ICrndhgkcxK2/FyJari1FiFZYlarE9WcuG1EyjtcCA==
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

2026-09-17T10:27:19.919386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069255
observed 3cbfa7e483375354c9986c8ab3eb86be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.899915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069255/manifest.json
observed 916a6550f46e1a22ed68cda517d05212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.883421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069255/publication.md
observed b902222afaa06e90cef61d2f50725e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:19.865798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069255/publication.txt
observed 1ea4252f60ef3aa9a3f7642ce7fc7c31...
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.