OpenTechnical

OT-2026-000095593

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000095593) never changes.

Identity and time

Publication numberOT-2026-000095593 · never reused
Internal UUID01a0ae9f-8f75-7b5c-be7d-d6896ed90419 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095593
StatusPUBLIC

Content hashes

Canonical text6a4f54f24520afa432f9a9fe6b8f89df816e829f30d5ef72fb355519ae8e08bc
Markdown0bb2acfd85c6c5380d9039a50d6dafeb92c4334a060c93fcd59e2ba95ec317eb
PDF
Publication pagec7c614addb0125f4a9410f257b86b5a0195f6333d3bf5e2a38d7302c43ad7df0
Manifest745bb6d38eab255d447e41c1c6a1e6091b087bddb7c7663af335a162047da791

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
SignaturewYVAQlr1lF0+rkj7UzqREuI2qOEOXIBcmET2u2y2FzQWJLW2ex0+/HC/W1qcXS5VEMzGhgeb2DHAcre/PSRQCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:37:00.861031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095593
observed c7c614addb0125f4a9410f257b86b5a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:00.844310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095593/manifest.json
observed 745bb6d38eab255d447e41c1c6a1e609...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:00.827303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095593/publication.md
observed 0bb2acfd85c6c5380d9039a50d6dafeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:00.810278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095593/publication.txt
observed 6a4f54f24520afa432f9a9fe6b8f89df...
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.