OpenTechnical

OT-2026-000095503

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000095503) never changes.

Identity and time

Publication numberOT-2026-000095503 · never reused
Internal UUID01a0ae9f-8f74-762f-bca0-c6250c4261df · 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-2026-000095503
StatusPUBLIC

Content hashes

Canonical text2db7076d755d7a2464f7ba5381794c96a027d5737296d35bbb9affcf9c4c9d58
Markdown1ede89c292efdb65e6aec9debd78f3a91099de1fd3a689b2e3927cef0873f076
PDF
Publication page8c91dcfdb48f1bbd45777cec6adafc2d550195ed1273c6b68ec7e4f3e5d9065a
Manifest96ebf195201fa96ea49968009cf0b08eea95c7a961fe0efeb4ee68d6ec70af88

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
Signaturem1rmVYz1h0xWV2oIwB7C0Pn84hdCu942om8r5TN0kQW3F2GXHthv5AH83kJPIzL7bh3+7YjmY47K1Eon0PxsAw==
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

2026-09-17T09:36:54.560919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095503
observed 8c91dcfdb48f1bbd45777cec6adafc2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:54.542671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095503/manifest.json
observed 96ebf195201fa96ea49968009cf0b08e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:54.522851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095503/publication.md
observed 1ede89c292efdb65e6aec9debd78f3a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:54.504907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095503/publication.txt
observed 2db7076d755d7a2464f7ba5381794c96...
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.