OpenTechnical

OT-2026-000071592

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000071592) never changes.

Identity and time

Publication numberOT-2026-000071592 · never reused
Internal UUID01a0ae91-e0ee-7d60-bac9-61d842c7b3bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071592
StatusPUBLIC

Content hashes

Canonical texteab35ee0fae395b1dbe4b0d54a665d02597245d28bf8decc46dc38e6c71d3c1d
Markdown5e8031d3bde2e5a68d4e8a0627a82354c25fe1996e8a0ed165e02581cb1fd721
PDF
Publication page4b64c7ea72ea12cd1050befc2853d962017cd8fa297dc28f2c73cb83f713f106
Manifestdd6cf03a1cf07dc55b5bb3e893f0b147dab35b873d20d0699b0660894db5f687

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
Signature2S2JYNxElxOfXrbRxQxwis6I209wERBUj+qCOBwZFsHdKzUfUWl9j6gUgFnfWYW0Yvrij+FxEXFMf6/fFPNICg==
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

2026-09-17T10:25:14.410154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071592
observed 4b64c7ea72ea12cd1050befc2853d962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.390775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071592/manifest.json
observed dd6cf03a1cf07dc55b5bb3e893f0b147...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.372821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071592/publication.md
observed 5e8031d3bde2e5a68d4e8a0627a82354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:14.355830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071592/publication.txt
observed eab35ee0fae395b1dbe4b0d54a665d02...
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.