OpenTechnical

OT-2026-000078591

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000078591) never changes.

Identity and time

Publication numberOT-2026-000078591 · never reused
Internal UUID01a0ae95-7c29-796d-aff4-9056044b5499 · 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-2026-000078591
StatusPUBLIC

Content hashes

Canonical text33090ae0bd8b3b7bdbf8b4212cd7e3e56dd73483c8a1db73c2bf38457e5e4040
Markdownbda6bf44d063dfed0cef3990d088de9c364a538380e717ba1ffecc5f63c3291e
PDF
Publication page4fe755a140086ffc4155d0fb795e7e472aff807e4bb01973156542cadf2480b3
Manifestdd7e2d7ade1026b1a23a0185336c5fe72aeb55c5badfd6dde73aa4e1942a0459

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
Signaturefn/fZ8N2b/v1khEdWu5rSU6siEQD7nW2CJnAcDMKJ+Y1p562pWKjnZbDWhkZj1/nhI7jFEhLUc27Vo3KAIXBBw==
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

2026-09-17T10:06:37.197284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078591
observed 4fe755a140086ffc4155d0fb795e7e47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.177852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078591/manifest.json
observed dd7e2d7ade1026b1a23a0185336c5fe7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.158978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078591/publication.md
observed bda6bf44d063dfed0cef3990d088de9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:37.142085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078591/publication.txt
observed 33090ae0bd8b3b7bdbf8b4212cd7e3e5...
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.