OpenTechnical

OT-2026-000090806

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, pressure sensor per zone, sustained 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-2026-000090806) never changes.

Identity and time

Publication numberOT-2026-000090806 · never reused
Internal UUID01a0ae9c-7f32-7031-a915-6e64c2039cdb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090806
StatusPUBLIC

Content hashes

Canonical text3ef7c2a975b1d390636890d35b766c0a8fd73fa6998a54bd2de2f9e43d7e551e
Markdown4190c86cc3ef79db00124053bf2ec2cf90ee4052a0a352408d662a77826ec48a
PDF
Publication page2167b683cb3970e2a686edb8b6a3893266710d6f557768693908cac287fe4dd3
Manifest41aa297860c927d6a8e8c634719a115c265c388a0ec33f2623f3fd5883dcb523

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
SignaturefAwz/MtpzqDfLK4o0mukd4wjUU7k2Lkk4r91hjpTLN9RAkwNVQ/ba1HOzrVHIdjYxx/cCYwuvhUmEva1wCnLDg==
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

2026-09-17T09:45:00.940460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090806
observed 2167b683cb3970e2a686edb8b6a38932...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:00.923724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090806/manifest.json
observed 41aa297860c927d6a8e8c634719a115c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:00.906096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090806/publication.md
observed 4190c86cc3ef79db00124053bf2ec2cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:00.887026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090806/publication.txt
observed 3ef7c2a975b1d390636890d35b766c0a...
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.