OpenTechnical

OT-2026-000077539

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000077539) never changes.

Identity and time

Publication numberOT-2026-000077539 · never reused
Internal UUID01a0ae94-f50a-7d13-b9b4-7db939c840fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077539
StatusPUBLIC

Content hashes

Canonical texta3e96ce49cb8695b1c3504f913012a022ed60bc786e3df142bee10972adea8c3
Markdownea34f12ec72ec963fad87de6b49547625e4cf48cba2fcd3b4309e44dcdf799b2
PDF
Publication page1c254f47a7d44eb4e4db71b9dd6d2a55775ef0b0f8a0f7bbd4037a7a72f85e26
Manifestf1acaae4905f72913be49b89a1af84dcde444e9d4cec547335acfd3829682c9b

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
SignatureyPfOSFEpmKU9D7Z0Blq6GeFeaFo39+AWucdP3Gj1arGn0+W239IJnA7edoYFxzd/Ra0Lxheun8B53Fn561RiDg==
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

2026-09-17T10:09:14.022517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077539
observed 1c254f47a7d44eb4e4db71b9dd6d2a55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:14.002215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077539/manifest.json
observed f1acaae4905f72913be49b89a1af84dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:13.911776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077539/publication.md
observed ea34f12ec72ec963fad87de6b4954762...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:13.894253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077539/publication.txt
observed a3e96ce49cb8695b1c3504f913012a02...
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.