OpenTechnical

OT-2026-000084407

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000084407) never changes.

Identity and time

Publication numberOT-2026-000084407 · never reused
Internal UUID01a0ae98-5b62-7f48-aa26-6c257ba67273 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084407
StatusPUBLIC

Content hashes

Canonical textb7d8c27f1efeb55b1c14fcba0af94cb0403fba81e365fb9942acb1ba90328396
Markdownda17885287955fcd89ce545d45b931e650eeada2bfe111678ae4cf1bac7ea0f8
PDF
Publication page45fe5fe7bb8685310ee0f88e1c26fd94bfa0032bb36f5727b56b547495fc9118
Manifest637b6c53cb24368584aabadc91c286680a3ca694a7ac9f6eac5eab649852dc0e

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
Signature3m0Tfh0QVvZP5WyVT8LXi0PdFUkR4xj4dBZ4kPn5oxuIERYkVkftgFJe+9QGKf0gNDXnvPWZr1o7bzv2kL4KBQ==
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

2026-09-17T09:56:21.261402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084407
observed 45fe5fe7bb8685310ee0f88e1c26fd94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.244005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084407/manifest.json
observed 637b6c53cb24368584aabadc91c28668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.226019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084407/publication.md
observed da17885287955fcd89ce545d45b931e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:21.208273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084407/publication.txt
observed b7d8c27f1efeb55b1c14fcba0af94cb0...
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.