OpenTechnical

OT-2026-000090606

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000090606) never changes.

Identity and time

Publication numberOT-2026-000090606 · never reused
Internal UUID01a0ae9c-7f2f-74f4-b449-d43ec8165a70 · 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-2026-000090606
StatusPUBLIC

Content hashes

Canonical text48fc19fa2c05d9e18e9c1d6d52be0d7ea949211b62a8659f7e977e775185a0ba
Markdown1beb6b5aedc630bded8f8bfaccbc99f2622807aef375d37b41630bd7917d0e63
PDF
Publication pagee02fe35d771773ef6195bfc3d2425134cd396b5e831d229f9698bb89f9aa5898
Manifestbf2bda268576df500890b36466e783a43ba212895f240914e837ad770f8c5a22

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
SignaturePqX2mep6CIUNk1y6uJcUBsBA1Ph1xAnLUP3kWvtwXs60UkL0utVzrwWvPLg+b2Ywlg6FP1zQ+2Zg0X6cqxjZDQ==
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

2026-09-17T09:44:47.660559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090606
observed e02fe35d771773ef6195bfc3d2425134...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:47.641710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090606/manifest.json
observed bf2bda268576df500890b36466e783a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:47.624332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090606/publication.md
observed 1beb6b5aedc630bded8f8bfaccbc99f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:47.603649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090606/publication.txt
observed 48fc19fa2c05d9e18e9c1d6d52be0d7e...
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.