OpenTechnical

OT-2026-000069283

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, 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-2026-000069283) never changes.

Identity and time

Publication numberOT-2026-000069283 · never reused
Internal UUID01a0ae90-b528-7bee-9111-785a3f0fe11b · 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-2026-000069283
StatusPUBLIC

Content hashes

Canonical texta3a45d1c6c96b4bcd68d2d76d4de5875a9b99715d8d455db31c56727dc292730
Markdown1ce1ab1258cb09198f19b19fcd10878c3e6440e4668b038b275d27e90ae2dc53
PDF
Publication page1cfa51ddd807aeef94159aa9816c046a625dc8b86ff233418db3f888f5981181
Manifest6490b04ffebc4f8eca5176e40916374fc4b158b06c7618fc248509a6a68948dc

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
SignaturenlnRYCGWVWm3eU7w/73eLBDU93AoWMWNw6XRx8/ARshRKn0DubBc8nDZtvABAPp+cP8FlCWGsCktFjBeBBpMCA==
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

2026-09-17T10:27:22.076193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069283
observed 1cfa51ddd807aeef94159aa9816c046a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:22.060181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069283/manifest.json
observed 6490b04ffebc4f8eca5176e40916374f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:22.043918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069283/publication.md
observed 1ce1ab1258cb09198f19b19fcd10878c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:22.027440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069283/publication.txt
observed a3a45d1c6c96b4bcd68d2d76d4de5875...
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.