OpenTechnical

OT-2026-000089927

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000089927) never changes.

Identity and time

Publication numberOT-2026-000089927 · never reused
Internal UUID01a0ae9c-428d-73f2-97ba-211666e4a3f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089927
StatusPUBLIC

Content hashes

Canonical textd69e4a6b9e841234d4108fd1d9b71482b4627cecfe30da6b6cb4f5a10a0a1786
Markdownd5018cbbc238711b0cbc47519c66b36ffc756918a182eab5c51e5c8d23387459
PDF
Publication page2888c4f34091e590f6f112926e41e6f66d8b0a7534ebe89b3afcab0ff7e30697
Manifesta1ed0e8fa4afed69d455899c38297d11ee544f84e811b9093f18dd62a95daac0

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
SignaturenlAPZz0uMmd0JJajdQZxfcRn88iE4nS59JzGetBeMqK5BHCN0K7qcpVCBaWQ1e8CSs/OoZcf4e4oXMGs29eADg==
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

2026-09-17T09:45:12.205531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089927
observed 2888c4f34091e590f6f112926e41e6f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.183148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089927/manifest.json
observed a1ed0e8fa4afed69d455899c38297d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.165957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089927/publication.md
observed d5018cbbc238711b0cbc47519c66b36f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:12.146426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089927/publication.txt
observed d69e4a6b9e841234d4108fd1d9b71482...
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.