OpenTechnical

OT-2026-000069441

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000069441) never changes.

Identity and time

Publication numberOT-2026-000069441 · never reused
Internal UUID01a0ae90-b52a-7444-bfb1-6a047e40577c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069441
StatusPUBLIC

Content hashes

Canonical text916ced1c77e3f8f6ae259ac7d1bd2fb365b71d9d05a3ad056d67f598993b58e8
Markdown233cf2b240e89a6e8d24569e60204f41a8218ec69c9f0dc03ff48199174114e3
PDF
Publication pageb5e946bd63be3a539a4edf78b24e1be7878af4693c7b1c7b9b97e2b288cb1ca0
Manifesta323df34de2235024e53252ab784cd8244178db3fccc8329f0204bc54a04d8e1

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
SignaturexKxGMJHOWR9Xn/as4X48LvOKM6RnwavqvJCVH34HGKcy+rsvhr8ke2pAc4zCObthP9jQFxojtBli96ZtOsjEAQ==
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

2026-09-17T10:30:30.602943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069441
observed b5e946bd63be3a539a4edf78b24e1be7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.586929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069441/manifest.json
observed a323df34de2235024e53252ab784cd82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.567556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069441/publication.md
observed 233cf2b240e89a6e8d24569e60204f41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:30.549328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069441/publication.txt
observed 916ced1c77e3f8f6ae259ac7d1bd2fb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.540385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069441
observed b5e946bd63be3a539a4edf78b24e1be7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.523505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069441/manifest.json
observed a323df34de2235024e53252ab784cd82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.504669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069441/publication.md
observed 233cf2b240e89a6e8d24569e60204f41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:03.488160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069441/publication.txt
observed 916ced1c77e3f8f6ae259ac7d1bd2fb3...
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.