OpenTechnical

OT-2026-000075603

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pressure sensor per zone, 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-2026-000075603) never changes.

Identity and time

Publication numberOT-2026-000075603 · never reused
Internal UUID01a0ae94-29fd-7b52-9b7c-97987c88edb2 · 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-2026-000075603
StatusPUBLIC

Content hashes

Canonical textc6f7e1ae5e0497095d11637141cab19113d7432fc48e0b70e813f1a080adb2ce
Markdowne891d048c81ee37d1a1ae0f0c3a1ba843a8d5e5dae2b543c852a65d40e6de044
PDF
Publication page3df284cd57b4edfe35fe9ecb32c0bafe0360d6914c467d1ad0860a1450e9923d
Manifest9e51b78dd2669ec8bf70be5cbfa1db5f89e76a799d7b349306deb38deb070ff6

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
SignaturevVv30WlpquC0uHy3EprmHWrGPwEXFkfDn4X6XVan4FdqktmkwrI0+lqG+IRRcp9Mpt+aQOdx2TmxMfnJwgBBAQ==
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

2026-09-17T10:13:16.798019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075603
observed 3df284cd57b4edfe35fe9ecb32c0bafe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:16.773722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075603/manifest.json
observed 9e51b78dd2669ec8bf70be5cbfa1db5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:16.746827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075603/publication.md
observed e891d048c81ee37d1a1ae0f0c3a1ba84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:16.727363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075603/publication.txt
observed c6f7e1ae5e0497095d11637141cab191...
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.