OpenTechnical

OT-2026-000075552

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000075552) never changes.

Identity and time

Publication numberOT-2026-000075552 · never reused
Internal UUID01a0ae94-29fc-7e5d-9f64-4b4614389759 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075552
StatusPUBLIC

Content hashes

Canonical text53868e5651e44b357ba346c12d97a0274be3f28d766da636991b2a131b251641
Markdown5ad442641d97718acb53e8e027abf1cc918f6c96e44b6e7719997bd43dc890ca
PDF
Publication page27cbeb5a1e274876d252f56d7e7f70fcdb7d603c72bf9d1ccd3c865e0670b46f
Manifestcb8b3f5204ef127ca8c887c1171a8d974b02b140796734b8c16585c141bf2eca

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
Signature8Wp+sZWCFaIDKO0Gbn0Gnc4MMNxZM3hyVXN4PsV7/wgv+yBAjumCLWKg7SPwEWt0cRwq0WMXaDv0tRGt17fTCg==
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

2026-09-17T10:13:05.727822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075552
observed 27cbeb5a1e274876d252f56d7e7f70fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:05.706826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075552/manifest.json
observed cb8b3f5204ef127ca8c887c1171a8d97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:05.565791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075552/publication.md
observed 5ad442641d97718acb53e8e027abf1cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:05.547044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075552/publication.txt
observed 53868e5651e44b357ba346c12d97a027...
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.