OpenTechnical

OT-2026-000069693

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single 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-2026-000069693) never changes.

Identity and time

Publication numberOT-2026-000069693 · never reused
Internal UUID01a0ae90-b52c-7fbb-9a5c-a2d0f8bdf17b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069693
StatusPUBLIC

Content hashes

Canonical textd4217dbe281347b7513cef1d47a4f4ede535a83c586e6e62c2434529b15e3d53
Markdownd8b4b256a157f95614c960e2dd9db6a2807ed60c4b172085605ea88adb76bf71
PDF
Publication pagec41bb3e0067e9a3ff6d9d49404eeb13982e6b42b7457d273e518a4ba64792be9
Manifest5fd1bb82dc3c35ee0276ad6c6688d50a04fa0cd5a832d2bf77e32eb1dd61ae68

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
SignaturejClU8rr+Kfn0XHq+J7HfsnaO3nggaWMVqJCMBuJw158Y5vCLAs3CFwyKCwl8P3Tltn8T5s6Am20RaBTL4mC9CA==
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

2026-09-17T10:28:22.079238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069693
observed c41bb3e0067e9a3ff6d9d49404eeb139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:22.054249ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069693/manifest.json
observed 5fd1bb82dc3c35ee0276ad6c6688d50a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:22.037272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069693/publication.md
observed d8b4b256a157f95614c960e2dd9db6a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:22.021579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069693/publication.txt
observed d4217dbe281347b7513cef1d47a4f4ed...
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.