OpenTechnical

OT-2026-000069562

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000069562) never changes.

Identity and time

Publication numberOT-2026-000069562 · never reused
Internal UUID01a0ae90-b52b-7f46-a40f-cb25cc699099 · 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-2026-000069562
StatusPUBLIC

Content hashes

Canonical text5cb3fd012dbe7d100affde22b631c75cdaa2d225b1012c1aabff924b78a45552
Markdown0004e26abf0891fbfd164db42d639c46d3d39b4d237e6668cbb2b2d85a76747d
PDF
Publication page33d0d2f875910e629c5e0c3418155c2926b4dec4f180b44bd621369f167bbaac
Manifest436a7f5bb86ed78d2fe1dbde21d4f7ede5dda11b49fccbd32e3221d8bc6409ee

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
SignatureS3N3wBQlHuIyOvQXtFMhk+yzdxwfzrbvJeZiwgVyjTZFwSbaBzegPJLOMXr3VGLfN+T1RkDg6O6bHfhtJf0gDA==
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

2026-09-17T10:30:40.854091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069562
observed 33d0d2f875910e629c5e0c3418155c29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.834844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069562/manifest.json
observed 436a7f5bb86ed78d2fe1dbde21d4f7ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.816484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069562/publication.md
observed 0004e26abf0891fbfd164db42d639c46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:40.797927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069562/publication.txt
observed 5cb3fd012dbe7d100affde22b631c75c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:12.908982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069562
observed 33d0d2f875910e629c5e0c3418155c29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:12.892121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069562/manifest.json
observed 436a7f5bb86ed78d2fe1dbde21d4f7ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:12.876216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069562/publication.md
observed 0004e26abf0891fbfd164db42d639c46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:12.861306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069562/publication.txt
observed 5cb3fd012dbe7d100affde22b631c75c...
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.