OpenTechnical

OT-2026-000076315

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, 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-2026-000076315) never changes.

Identity and time

Publication numberOT-2026-000076315 · never reused
Internal UUID01a0ae94-6a70-7c44-857e-e15cfcaf8176 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076315
StatusPUBLIC

Content hashes

Canonical textec6b50a8ff5d85d30ac65f16a704a3356e3d63e292ea76e5cd9a81db1cf3c58a
Markdown752737235825981059d0919734f5bd6320162e6bf09bd5d14f44ea5c07859ab6
PDF
Publication page912043287578c0a1ee173aaf0ccb899ab225726130db4da79807b853bd9a05bd
Manifest7515336177f79f65c5acb7f4d02391c0bd453849794e641261feb769fef432d2

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
SignaturehTFfD5mrPiI+4qW8SPQpwQLD5yvJUvc3BmUBMUfpo01ifrkGRtHDCXdxDuG2dXUUjMqbo9q4Rsl+hL9bq7GzDw==
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

2026-09-17T10:12:09.852006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076315
observed 912043287578c0a1ee173aaf0ccb899a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:09.831618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076315/manifest.json
observed 7515336177f79f65c5acb7f4d02391c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:09.814254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076315/publication.md
observed 752737235825981059d0919734f5bd63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:09.794074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076315/publication.txt
observed ec6b50a8ff5d85d30ac65f16a704a335...
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.