OpenTechnical

OT-2026-000076081

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, 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-2026-000076081) never changes.

Identity and time

Publication numberOT-2026-000076081 · never reused
Internal UUID01a0ae94-6a6e-7c97-b44f-cdaf6bd87d0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076081
StatusPUBLIC

Content hashes

Canonical text0a1f94a3598c0465d7378682d07fe92a72a7df517a3e6ebfacd88a29e7bee467
Markdown9f6b6da6a1cf78d7e44ca15847f9130742eb129881a9d621802cf747ac7b5085
PDF
Publication page6aaf96ba13bb0538dc0beaf587ced92673868b4034e0d4370b156e9756ada918
Manifest594b5a42b171d94f4a3480aea4983066bf61be35abd0f21336208b2260f10581

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
Signature7ouo4K3cJUnbRUQ3zYgrnxYU+QE+xxeEnonmz5kDDLV0/T95zI4EAoCo+Ul4MqBVJtTlxrESn9xltB5/fyTUAA==
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

2026-09-17T10:10:53.517305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076081
observed 6aaf96ba13bb0538dc0beaf587ced926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:53.499721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076081/manifest.json
observed 594b5a42b171d94f4a3480aea4983066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:53.479625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076081/publication.md
observed 9f6b6da6a1cf78d7e44ca15847f91307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:53.461293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076081/publication.txt
observed 0a1f94a3598c0465d7378682d07fe92a...
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.