OpenTechnical

OT-2026-000068378

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000068378) never changes.

Identity and time

Publication numberOT-2026-000068378 · never reused
Internal UUID01a0ae90-2480-7f03-8a51-13f48dfdaeaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068378
StatusPUBLIC

Content hashes

Canonical text880531e67f8e43c66c0d2b7fe74a37d411e0a1a1de5e38a93aebc08b79610ba9
Markdownf60f7f1a8407d2dc75434cd1aa80d4ee354b90ecf482c2d48f7e4de30c9e3ad5
PDF
Publication page877a4e1e723c2f8b748361ec1e081522a5007b2b4d4f3c37309c817d760ac0e5
Manifest463b9b9f5000b45f66a99f9858a3945157fac3c3495021a338b6c7e0d4f7ee25

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
SignatureJHhU+Ib+3prbz4uFU2AR1oZo96XshscTRsouUA9DzsjPyHph4b1EfsBuUBqCpwh2RAH6elJWmk5i+Kd25XRZDA==
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

2026-09-17T10:29:25.874361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068378
observed 877a4e1e723c2f8b748361ec1e081522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:25.856333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068378/manifest.json
observed 463b9b9f5000b45f66a99f9858a39451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:25.837623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068378/publication.md
observed f60f7f1a8407d2dc75434cd1aa80d4ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:25.819205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068378/publication.txt
observed 880531e67f8e43c66c0d2b7fe74a37d4...
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.