OpenTechnical

OT-2026-000086016

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000086016) never changes.

Identity and time

Publication numberOT-2026-000086016 · never reused
Internal UUID01a0ae99-e82b-7ccc-8f7e-725ed95f2cca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086016
StatusPUBLIC

Content hashes

Canonical text81af0dc8df97a34dd445af0439a58aa24b0a604b523224a2bd305710d5ff3b47
Markdown971cc58119ca58a54c7959416b0bddd1e48a8ed803f68ed044e5bcb4366c56ba
PDF
Publication page990ebf2a22d4d9c5b59817c875b5f4021d14a55b2613c25c18791088fa0d549f
Manifeste39b3b3e78a9a594f2f7c0db0860f8837c1a11838d560c254283359404994eab

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
Signature+gwK88yK6OVMfbVOGpBjod/hWLpbOznEyzPpGGXoePqNNPk5nwq8NjzAakh0lctQ/1hMxdPXh7cQJfFHfeMzAA==
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

2026-09-17T09:53:00.326657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086016
observed 990ebf2a22d4d9c5b59817c875b5f402...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:00.309968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086016/manifest.json
observed e39b3b3e78a9a594f2f7c0db0860f883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:00.293247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086016/publication.md
observed 971cc58119ca58a54c7959416b0bddd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:00.276015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086016/publication.txt
observed 81af0dc8df97a34dd445af0439a58aa2...
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.