OpenTechnical

OT-2026-000080569

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single stage ejector, sustained 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-2026-000080569) never changes.

Identity and time

Publication numberOT-2026-000080569 · never reused
Internal UUID01a0ae96-7e79-7131-ac56-b70b38794596 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080569
StatusPUBLIC

Content hashes

Canonical textd52f34e0d645fa71a93ecfd943d1423a9dd5ee27e7241e8d13b5b8bd6c28d87a
Markdown75b47d6809994e815ac0c2814137ea18c79066d8b176de69af608b289f58462a
PDF
Publication paged80a5a012f0217c0bd9a06a8d60b20d0023c8c2e1502617d5c43cbc8387b2d36
Manifestef21f9487a119dc9b84efae1ee77571d24482597b3d447cc63d6b0f44f9d7140

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
SignaturewB1zAhR+JuS50rLf6FHnXpijNr9WQmXv6ilhJk4lDEhJ93+LHo57HRWDuyM9UnomBp8wlaphd+6ej1CF0v7vCA==
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

2026-09-17T10:03:12.108811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080569
observed d80a5a012f0217c0bd9a06a8d60b20d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:12.091547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080569/manifest.json
observed ef21f9487a119dc9b84efae1ee77571d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:12.073071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080569/publication.md
observed 75b47d6809994e815ac0c2814137ea18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:12.056640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080569/publication.txt
observed d52f34e0d645fa71a93ecfd943d1423a...
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.