OpenTechnical

OT-2026-000078389

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000078389) never changes.

Identity and time

Publication numberOT-2026-000078389 · never reused
Internal UUID01a0ae95-7c28-7c90-a8ef-b899201b621f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078389
StatusPUBLIC

Content hashes

Canonical texta513ea836c7a2fca47e1b9e33d820e25c1ce0e97257b8d061f5b2b5390d0eded
Markdownd1b00d1f8164f2b41425c2f3cbc407d075503a50736763f2b33e62ad55329f6c
PDF
Publication page9524694c9d43f110d4107ed5f973b0c11b9911d6d463df325d7dd4364ad528d5
Manifest5e530f423819d4146eef1c0560e326ad4c2211bb6bbfd2ea17c3ce72be0279c8

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/9LKYIg3jbkbxhiv6rGzFxWcOFP5wnXTJ1LVSRcDLoKcHjEYHPwPUxcmMePRNUZXgCz+xMvgKa27ZO9JhTiWCw==
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

2026-09-17T10:06:21.781047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078389
observed 9524694c9d43f110d4107ed5f973b0c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:21.761103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078389/manifest.json
observed 5e530f423819d4146eef1c0560e326ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:21.741542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078389/publication.md
observed d1b00d1f8164f2b41425c2f3cbc407d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:21.701455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078389/publication.txt
observed a513ea836c7a2fca47e1b9e33d820e25...
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.