OpenTechnical

OT-2026-000064416

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000064416) never changes.

Identity and time

Publication numberOT-2026-000064416 · never reused
Internal UUID01a0ae8d-a461-7005-9f03-a3e2a24fd039 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064416
StatusPUBLIC

Content hashes

Canonical text5a3bfbe7e8d524bfb730b4612e9e275e2c21f77f6631b298d6b3459232f2437e
Markdownb53347a2131239c9b5c04ecefbb386cfe6003be73d2f2533c0ca4b8bd140adb6
PDF
Publication page6133e39667b1125484d872ab7cf086914e3e36e517bcc2022c23f4b1d15b424c
Manifest30df5b296411a6b38360d232c94d3ffb63503f7d42c3047af81b41623398e477

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
SignatureJVXVv2Se0kE/i8C1Qp0IKNgJnlwOLEgvz08vOi3h36xFkY71fpMeJ8KeS7EcPCvT54lLzYxnDZTqgrzp4fsMCQ==
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

2026-09-17T10:36:35.781541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064416
observed 6133e39667b1125484d872ab7cf08691...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.763001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064416/manifest.json
observed 30df5b296411a6b38360d232c94d3ffb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.743063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064416/publication.md
observed b53347a2131239c9b5c04ecefbb386cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:35.725000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064416/publication.txt
observed 5a3bfbe7e8d524bfb730b4612e9e275e...
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.