OpenTechnical

OT-2026-000087193

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two 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-2026-000087193) never changes.

Identity and time

Publication numberOT-2026-000087193 · never reused
Internal UUID01a0ae9a-9f2e-7b81-bd66-e6c40bb47bf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087193
StatusPUBLIC

Content hashes

Canonical text8f91fb03b1c4e3d9913223888520358e7c4bb5f412e83ea00336c48fc313f1ad
Markdown443c83592b902d77f73994e5243012add0b197be76552d78731a7eb9be920d8e
PDF
Publication pagebc5100ca960ee90f9b1c6a00285a59c372da4963ffd49437889138dad0ca65d7
Manifest57a66c38534dc3b07962291d7be4098991eea0e1f095b61d11b9cbf9f548b0a9

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
Signature/kx2mkHAJYuppIDBdyx85AeO0B4NhSBqpKc/xx/abKL9gzkRNKhXOfi52ErPKm3+bQDuMXm6RpI99NIkmDxtDA==
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

2026-09-17T09:51:28.164215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087193
observed bc5100ca960ee90f9b1c6a00285a59c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.146471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087193/manifest.json
observed 57a66c38534dc3b07962291d7be40989...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.126500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087193/publication.md
observed 443c83592b902d77f73994e5243012ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.109231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087193/publication.txt
observed 8f91fb03b1c4e3d9913223888520358e...
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.