OpenTechnical

OT-2026-000011635

Publication integrity record

Single cup vacuum gripper, two stage ejector, 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-2026-000011635) never changes.

Identity and time

Publication numberOT-2026-000011635 · never reused
Internal UUID01a0ae6d-193f-7aba-981a-5489e0cf0872 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011635
StatusPUBLIC

Content hashes

Canonical texta82018bc343ebab3e652e388598c20555e9313a8b019d2c106db5d034537bc72
Markdown053eb7491ab6e8aba405c7b2cea24a61f7feb5ee493244e259157796f429526e
PDF
Publication page22265383e910c8c371bd51aa6ecb26a3b2d063a0e1f3b10499c218849db9fea1
Manifest77bc1fe6ebf9361374efddbe9bd9c01c961f98bfd162b7baebb98866647b4615

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
SignatureSd0EQ+Nricgr9yOY/kpmV1gDoUQT9/EtyhigehOe6/OFltmjv8cIB58J5mr1yGc9iJPE02RaXwn38Vuo7GkNDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:13.165736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011635
observed 22265383e910c8c371bd51aa6ecb26a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:13.147714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011635/manifest.json
observed 77bc1fe6ebf9361374efddbe9bd9c01c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:13.130213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011635/publication.md
observed 053eb7491ab6e8aba405c7b2cea24a61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:13.109643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011635/publication.txt
observed a82018bc343ebab3e652e388598c2055...
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.