OpenTechnical

OT-2026-000034139

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, 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-2026-000034139) never changes.

Identity and time

Publication numberOT-2026-000034139 · never reused
Internal UUID01a0ae75-df0c-7a91-930d-2f064cb29419 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034139
StatusPUBLIC

Content hashes

Canonical textecd2f98f889f9079efaaf7cd1bc8ec8d533098266e3cf269d5429d032192ed94
Markdown755851da0c4158daf5b1cd66b2fa2a05b0ded69848cf71fec7830c34f36c4ad5
PDF
Publication pageb2ccb3b6fae14289e63e485f92b12ea235560d7972e01c6ee13934e5485dbbf8
Manifest184c07e03fb23635186f30cab9295d31a0fba432f67bb2c6b48cba40ddabe028

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
Signature1UJ793eGyVJqWbfLYj8H5adk11edXuSrQZUc6ef42lGpAfpOBBUBIkGAvnEgSKwGVjyRg64sv6FUMLn1u0jyAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:32.101218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034139
observed b2ccb3b6fae14289e63e485f92b12ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.083044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034139/manifest.json
observed 184c07e03fb23635186f30cab9295d31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.063358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034139/publication.md
observed 755851da0c4158daf5b1cd66b2fa2a05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.045655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034139/publication.txt
observed ecd2f98f889f9079efaaf7cd1bc8ec8d...
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.