OpenTechnical

OT-2026-000077378

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, vented 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-2026-000077378) never changes.

Identity and time

Publication numberOT-2026-000077378 · never reused
Internal UUID01a0ae94-f509-760d-a991-d97f10a4a345 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077378
StatusPUBLIC

Content hashes

Canonical text1edbdc0349841c7f5341304f18197d33d98e9e2e34e8b9852528bf47b67eab92
Markdown0398d9ee768a41bf39a6505e59fa88c936c49f6a9b75e44e08bdc23acb575ea2
PDF
Publication pagee32b6be1f9d5eb88cfe5a45a2909b87743aa2790d4fb2512de19201201ecfdf9
Manifest44641fa7bf6a139c80f5adabb983d85d4ca149b13ed7cc054fc63806232d4e5d

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
Signature4sRBEvDRoPGCw7m1fSvCEkNAycDOgU+o3O7F2ae2aKZhPZTVQuxqpDM8WYb2zhFNdkAo7CeyvwBIM0IalcxTCA==
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

2026-09-17T10:09:01.405645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077378
observed e32b6be1f9d5eb88cfe5a45a2909b877...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:01.388173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077378/manifest.json
observed 44641fa7bf6a139c80f5adabb983d85d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:01.369540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077378/publication.md
observed 0398d9ee768a41bf39a6505e59fa88c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:01.351314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077378/publication.txt
observed 1edbdc0349841c7f5341304f18197d33...
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.