OpenTechnical

OT-2026-000091786

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three 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-2026-000091786) never changes.

Identity and time

Publication numberOT-2026-000091786 · never reused
Internal UUID01a0ae9d-43b9-7e1c-8949-4e99afb7f8bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091786
StatusPUBLIC

Content hashes

Canonical text4b93929aec255221117f28d1e889afb6cd4130d283fa1aed1ecda03d7273f28c
Markdown5ddc4ec4b38fcb92014a16b395b3b48b412f8b38f74c08d9f3b1961c8375758c
PDF
Publication page9cb6c3a581bdb223a0d6dc8729ceaebba083dbbe8679d2d3ba3fee90aae162b7
Manifest7bc8b087aa51d4a1e1eeb24477f92db5ad3f6214132748556cfd49206c8cbfff

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
SignatureY0qtKBC07edoCvgXIPagF3l6P3FwWh+Deyd/0vGzbnyx2HkM0Mck/vkYc8FNe1asipuPLHk3oGcWJKBSRTYgDQ==
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

2026-09-17T09:42:41.041073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091786
observed 9cb6c3a581bdb223a0d6dc8729ceaebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:41.023631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091786/manifest.json
observed 7bc8b087aa51d4a1e1eeb24477f92db5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:41.007320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091786/publication.md
observed 5ddc4ec4b38fcb92014a16b395b3b48b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:40.989850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091786/publication.txt
observed 4b93929aec255221117f28d1e889afb6...
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.