OpenTechnical

OT-2026-000071376

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000071376) never changes.

Identity and time

Publication numberOT-2026-000071376 · never reused
Internal UUID01a0ae91-e0ed-767c-8f9d-7e1a62616dc5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071376
StatusPUBLIC

Content hashes

Canonical text64f82c248e81a4d5dbee18d745b3730324123e127f6a76ca473216b6fcefae27
Markdown4f82e5827bbef61ef945a05e0f8c1b78fd0a18d0f114c0375cbe2b7dbdb30a02
PDF
Publication page256d3e6788832e5ef5ab4fa7587f3c66bd7cd1261085b9f7d3d4f65249f39f55
Manifeste8d28fc4d7509c1daf1586d15ebe4c642a588e836eb62ca58e1a52e8f0952e7c

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
SignatureZ/wqaG+GOpqLP/B+2CzDKlh5rr/QjeFKQY0AoLIeHs3oZi8LVmIRoe0eLoxADkUmzWnQ2X1Nkyyg8Tugp4iCAQ==
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

2026-09-17T10:24:59.548872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071376
observed 256d3e6788832e5ef5ab4fa7587f3c66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:59.533334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071376/manifest.json
observed e8d28fc4d7509c1daf1586d15ebe4c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:59.515478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071376/publication.md
observed 4f82e5827bbef61ef945a05e0f8c1b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:59.499449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071376/publication.txt
observed 64f82c248e81a4d5dbee18d745b37303...
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.