OpenTechnical

OT-2026-000069954

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented before set-down

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-2026-000069954) never changes.

Identity and time

Publication numberOT-2026-000069954 · never reused
Internal UUID01a0ae91-1860-7825-93ab-270ff7df667a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069954
StatusPUBLIC

Content hashes

Canonical text25d61c1979ce0d2c2f1bd40b2e01e3b21da4b84d808bfca9eb454926a2247e8c
Markdown49ad2567702f01fb5b40d35e7eeebee1f81cafaa210c33580b82086cb6d85576
PDF
Publication page909448278fbd7236b30e38960f67f5ac3fbf6b2b913750691550b15c8b2f9efb
Manifesta74a66d114bafb478fb85e4ba65ae7373ede23a9362ae3f26c8489de085c6933

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
SignatureqaIRgtuHhRXJd49yrFaFVAuuBy0vDgDAufjldssA2Kmf6DRfl+0EE75as/0GSDu9512ZFi/4M95YLlxsmDgLBQ==
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

2026-09-17T10:26:31.286337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069954
observed 909448278fbd7236b30e38960f67f5ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.266842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069954/manifest.json
observed a74a66d114bafb478fb85e4ba65ae737...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.226690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069954/publication.md
observed 49ad2567702f01fb5b40d35e7eeebee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.207910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069954/publication.txt
observed 25d61c1979ce0d2c2f1bd40b2e01e3b2...
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.