OpenTechnical

OT-2026-000086804

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000086804) never changes.

Identity and time

Publication numberOT-2026-000086804 · never reused
Internal UUID01a0ae9a-80a4-7503-8592-0bf6be1e877a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086804
StatusPUBLIC

Content hashes

Canonical texta2551e25c4d8391f4e736e5af152980e637538d0ad99484c489271e54bc23bce
Markdownacbb98154b4cabae0152004cf401ee698ef3120eeb56c86e04d9199fcd180551
PDF
Publication pagefc9a1a4f0a4d65165a063359636678c9a042ea372c5d71c3b3990c4aaf17858f
Manifest3cfe7d61257f7dcdf8112d9bd7cd9734f46023957da841c6435c3feede6f16ca

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
Signature4vJRToBxIcA/XNqcZkjjwrfj7YJQyBQJSiUz/ElE00HYtp4PyKsn2y870/t9ugqU2V5qpkC2o8TjjaVQiyRBDQ==
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

2026-09-17T09:51:37.189655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086804
observed fc9a1a4f0a4d65165a063359636678c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:37.171769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086804/manifest.json
observed 3cfe7d61257f7dcdf8112d9bd7cd9734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:37.152674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086804/publication.md
observed acbb98154b4cabae0152004cf401ee69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:37.132017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086804/publication.txt
observed a2551e25c4d8391f4e736e5af152980e...
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.