OpenTechnical

OT-2026-000069528

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000069528) never changes.

Identity and time

Publication numberOT-2026-000069528 · never reused
Internal UUID01a0ae90-b52b-7bc0-858b-61dc77494da9 · 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-2026-000069528
StatusPUBLIC

Content hashes

Canonical text393538df766db7c560a75bef7bb92243995df65e801e1b841984ef37ab4cd23f
Markdown4208200f336a7b37b8d8ba167fc2d3bf2033ddd1c6928e6189daa416bace6e5e
PDF
Publication pageab62ac652093affa6a7baee81b7dd7a9afbabdf99b8dcabcaf21fe80b12282a1
Manifest219e9ae24a6f853c8f7f51f629ae2b7fb6ebf7350193de353ae639b60d39e86f

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
SignatureOzRIv8ZRIL+O7EAETpNTG7hBown+jGopZmpoEGEzQfpOrgje97stDsUfeTttnFlysnuwsyrzZon20RnsRSw9AQ==
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

2026-09-17T10:30:22.654459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069528
observed ab62ac652093affa6a7baee81b7dd7a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.634565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069528/manifest.json
observed 219e9ae24a6f853c8f7f51f629ae2b7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.616919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069528/publication.md
observed 4208200f336a7b37b8d8ba167fc2d3bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:22.561210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069528/publication.txt
observed 393538df766db7c560a75bef7bb92243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.702499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069528
observed ab62ac652093affa6a7baee81b7dd7a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.685322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069528/manifest.json
observed 219e9ae24a6f853c8f7f51f629ae2b7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.647210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069528/publication.md
observed 4208200f336a7b37b8d8ba167fc2d3bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:02.612813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069528/publication.txt
observed 393538df766db7c560a75bef7bb92243...
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.