OpenTechnical

OT-2026-000077638

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000077638) never changes.

Identity and time

Publication numberOT-2026-000077638 · never reused
Internal UUID01a0ae95-2ecf-73d3-8593-5a8bdee0b87c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077638
StatusPUBLIC

Content hashes

Canonical text980899ca457afcc458f4023b8f999fe4d7894a429dd79d737a93fa45b615b443
Markdowna6e3ad9893d58b4f65e122317e2bcd863960b36ff0f6a00400a1c4fe64809a9c
PDF
Publication pagee19fd07bfbaf151f59edc780b7bbb84e06910fb2858f959304b0ab082466488e
Manifest1c18d0851f04c856c35a7cd3b68dd413fa9624928490dea448d9dc91237279de

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
SignaturemaTnrIM0thWpeidDhdSNg7CNKXrjI1m7CAqYe9ZbIkb8+4ZgcIC59/u+m3iH9Pw2FBL1UHgi4sluYi+7QDVOCw==
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

2026-09-17T10:07:12.213176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077638
observed e19fd07bfbaf151f59edc780b7bbb84e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:12.190556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077638/manifest.json
observed 1c18d0851f04c856c35a7cd3b68dd413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:12.171951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077638/publication.md
observed a6e3ad9893d58b4f65e122317e2bcd86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:12.153811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077638/publication.txt
observed 980899ca457afcc458f4023b8f999fe4...
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.