OpenTechnical

OT-2026-000069775

Publication integrity record

Foam pad vacuum gripper, three zone face, six 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-2026-000069775) never changes.

Identity and time

Publication numberOT-2026-000069775 · never reused
Internal UUID01a0ae91-185f-7611-8cab-5962ca7b47fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069775
StatusPUBLIC

Content hashes

Canonical text0d989d394b8214860e7b15f245712765cd48408a2a5d3f6df4deb80a5b0c57fa
Markdownbf855254cd7b46577ef6859d71e93f0e1e7f5a0cb38dcd0efc12985eb9b4f635
PDF
Publication page490fd448d934b5a7c6972154bb870c32651b9e1332c3039542bb7a790758958d
Manifestc340fc8b4752053f594a8283886c9a23278659a240f665b8b2a6ad0b0d6f258a

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
Signaturej3NYv94p4EVZTWhKrGEYGK72XB0LdKtG2owx6TPvp/8s9vSRLMLiitWVQ70g9Oiwasz0XULsLFKNBWNO8xdgDw==
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

2026-09-17T10:26:36.245525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069775
observed 490fd448d934b5a7c6972154bb870c32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.228307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069775/manifest.json
observed c340fc8b4752053f594a8283886c9a23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.211913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069775/publication.md
observed bf855254cd7b46577ef6859d71e93f0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.194509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069775/publication.txt
observed 0d989d394b8214860e7b15f245712765...
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.