OpenTechnical

OT-2026-000081829

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000081829) never changes.

Identity and time

Publication numberOT-2026-000081829 · never reused
Internal UUID01a0ae97-0f75-7b1f-9920-77f7754740fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081829
StatusPUBLIC

Content hashes

Canonical text2f250da596304e54da131ed0ac104af54d2d26c21338e80ea078975434b7509e
Markdown6622a434a368560a4a83fbf5318622f17c9c4a397cca3e419da25e98fe144406
PDF
Publication pagee1017c9ccecce496c36c9d03238e88e86832427b10bca45ee6e75728d18b922d
Manifest3ce7cfbba3f1a7a724e99031372ad2e5b67bf80425098676ee70cc3fea444ef7

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
Signature8EvkV0WjkDnStV8sQGS59Iqqnb3jfYbowaR/ENLfesBBhCBcQrKWnGKCMSqgBa0dIHt4vU8DLG1rk+2eUubXBA==
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

2026-09-17T09:59:56.301361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081829
observed e1017c9ccecce496c36c9d03238e88e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:56.281379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081829/manifest.json
observed 3ce7cfbba3f1a7a724e99031372ad2e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:56.258897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081829/publication.md
observed 6622a434a368560a4a83fbf5318622f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:56.236222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081829/publication.txt
observed 2f250da596304e54da131ed0ac104af5...
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.