OpenTechnical

OT-2026-000085190

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, three 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-2026-000085190) never changes.

Identity and time

Publication numberOT-2026-000085190 · never reused
Internal UUID01a0ae99-43ba-758e-90e2-c8f466da2c09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085190
StatusPUBLIC

Content hashes

Canonical texte9ad691764f878879e177ea1c5bfe6da4b20d21eafe5705009c945330827f856
Markdown4110b5d9771f539aee5abf629d3f1af3fde7fad50eeaeb99e1d67e70dd4ca201
PDF
Publication pageb246c970a95b09fc458547cbcc234f73ae024885e8bbe2c35d00c3f3db579130
Manifestfc96d0bd0e1c546ba341d88bdbdaeaf459be25fb7a905aef6cc3c76eff097143

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
SignaturekJjyNVRznbYuSwf9AmwcznMc7sJ+Hmd0r7GolDCaRYhCq3sNqDaBXaAGrdX5HT/mPFoxM0X91bhBgfItfNwtAQ==
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

2026-09-17T09:55:16.620909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085190
observed b246c970a95b09fc458547cbcc234f73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:16.601955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085190/manifest.json
observed fc96d0bd0e1c546ba341d88bdbdaeaf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:16.583633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085190/publication.md
observed 4110b5d9771f539aee5abf629d3f1af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:16.566462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085190/publication.txt
observed e9ad691764f878879e177ea1c5bfe6da...
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.