OpenTechnical

OT-2026-000084117

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, sustained blow-off 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-2026-000084117) never changes.

Identity and time

Publication numberOT-2026-000084117 · never reused
Internal UUID01a0ae98-5b5f-7a49-a699-50b887f687a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084117
StatusPUBLIC

Content hashes

Canonical textd24be7ee2c74622e15527b3a56b2cc54779946af1c3d09d5b7d7c1197c8bb91c
Markdowna8ba724413822d46c1d715d5812180a7457a8e630586e4fc21112a97cc22f1ad
PDF
Publication page3847731c1028baff8bffc4e1edfaa14b40c41cf759e9e8f9c621c6110370fb5c
Manifest24476591a02241ce7953e69d0151d7f51adc1c006e5245f8c7165e8f16e4fd75

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
SignatureRApDidSIGlquhZ8OoJ5d281HCB7XFMBHg+3ShR34rv7DFzBZoxnI5GWa0spY3Lj6zlAKKQjPQJl89Sq0zXKUBg==
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

2026-09-17T09:55:52.553532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084117
observed 3847731c1028baff8bffc4e1edfaa14b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.535027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084117/manifest.json
observed 24476591a02241ce7953e69d0151d7f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.517142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084117/publication.md
observed a8ba724413822d46c1d715d5812180a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.499279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084117/publication.txt
observed d24be7ee2c74622e15527b3a56b2cc54...
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.