OpenTechnical

OT-2026-000067007

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed 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-2026-000067007) never changes.

Identity and time

Publication numberOT-2026-000067007 · never reused
Internal UUID01a0ae8f-14fe-7433-87a7-7161c9fe174d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067007
StatusPUBLIC

Content hashes

Canonical texted670cf538afb05a55cc8eae6aeae39ad34f3ec79fa024a5e2c1bbdcdd4055f2
Markdown7a1c5a6f6a7b207ab95f94f7f862ca803ef03ab8e0124ded73db45a7a12a1518
PDF
Publication pageb8ddb3da889f18c142055ea22346be3d939b4502198575fdc254e66c504470bb
Manifest9739fb6ddeaceb62d1431a7726eae182b3d3e581115e421bf0b2c5558ff07af6

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
SignatureWd8vfLLwlk5gAHKRg9slvK0PAaaa/qzNkID9vkrZJDage02ATBI/meIWRr6++Lp8hUvBN0kyFgPzTf3q1rMXDQ==
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

2026-09-17T10:32:14.327600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067007
observed b8ddb3da889f18c142055ea22346be3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:14.310063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067007/manifest.json
observed 9739fb6ddeaceb62d1431a7726eae182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:14.292914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067007/publication.md
observed 7a1c5a6f6a7b207ab95f94f7f862ca80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:14.275440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067007/publication.txt
observed ed670cf538afb05a55cc8eae6aeae39a...
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.