OpenTechnical

OT-2026-000090695

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000090695) never changes.

Identity and time

Publication numberOT-2026-000090695 · never reused
Internal UUID01a0ae9c-7f30-73c6-9e03-cb89b1815e79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090695
StatusPUBLIC

Content hashes

Canonical text294fb2dea4a862ec375718926097d8284c4311634e9ab2bf5aeeca57ac13ff54
Markdowndc527d89fd3400f898672a043a26b5a46308995d68db3d3b6aec860cdd774ba5
PDF
Publication page6005256a11b2b1b911d40d0c18713af3a6b53d913bbf50f7de90c3108fa90fe3
Manifest7be861b34ff5e64c8446c74ec73c078ef0f4019ccf67b40fcc6fc50cc0c27368

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
SignatureY+1mvqpsjCpueiLqVVMbvB9VBKxOo+4kxlUDMqgj58sqb8zhV+SVSIDply2iAyPGSCWkImIpCBWMsKBSTY93BA==
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

2026-09-17T09:44:53.777179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090695
observed 6005256a11b2b1b911d40d0c18713af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:53.760179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090695/manifest.json
observed 7be861b34ff5e64c8446c74ec73c078e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:53.742914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090695/publication.md
observed dc527d89fd3400f898672a043a26b5a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:53.724549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090695/publication.txt
observed 294fb2dea4a862ec375718926097d828...
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.