OpenTechnical

OT-2026-000080989

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000080989) never changes.

Identity and time

Publication numberOT-2026-000080989 · never reused
Internal UUID01a0ae96-b975-7360-ac3c-b35818d1dc63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080989
StatusPUBLIC

Content hashes

Canonical textc8cc8cd75c4d3641052b39057bbe786da385d5e2e3ce11faa2d0812b370de2f2
Markdown4aa6922e18e1ace644000a24d93194e8022943a7b9a511ddb6a23e41ff364a45
PDF
Publication pagea457c50363237d0a0051046bd65b17062462c985a02bd2af6165d1082406302e
Manifestfa68e5932a82cd6e3332080e77e73e45db1eed9930f3eef54382ae9ed051ac7e

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
SignatureSs3jFIJGorQi8J2i8NQ6xPhKFGD+55oMg6nYbsJ1dLO5uLXweImAgINcEcyMimSNJUecUpLl78wEfe7OfNMvBQ==
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

2026-09-17T10:02:16.401785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080989
observed a457c50363237d0a0051046bd65b1706...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:16.385445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080989/manifest.json
observed fa68e5932a82cd6e3332080e77e73e45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:16.368342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080989/publication.md
observed 4aa6922e18e1ace644000a24d93194e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:16.351642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080989/publication.txt
observed c8cc8cd75c4d3641052b39057bbe786d...
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.