OpenTechnical

OT-2026-000089533

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089533) never changes.

Identity and time

Publication numberOT-2026-000089533 · never reused
Internal UUID01a0ae9c-1a21-7073-9776-c00a6d1aa73a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089533
StatusPUBLIC

Content hashes

Canonical textf73151626b08d411b62f7fedd1a670221328469622938db05f061c753a65b370
Markdown6677e08ea38e73079a44d7df05efbf81600086f2f1d33618c6e48180ae485443
PDF
Publication pagec4679210bcda125139e8c21a43afe0d45fe3b557493b23842252ca166aa37f38
Manifest297d44178cf0e36d10943a772bccfd6d0bbe9f0f5592c62f251e6c47259657ea

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
SignaturegLBFEn7ZEkzc20KlSTPW5S7qhUDHAZvlZ+Q9TuOG0gyFMIO27w9PYABNW3GJfo2s9ThzUC/23+bIj/fi+i3JAg==
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

2026-09-17T09:46:25.335453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089533
observed c4679210bcda125139e8c21a43afe0d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:25.318536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089533/manifest.json
observed 297d44178cf0e36d10943a772bccfd6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:25.300352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089533/publication.md
observed 6677e08ea38e73079a44d7df05efbf81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:25.262735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089533/publication.txt
observed f73151626b08d411b62f7fedd1a67022...
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.