OpenTechnical

OT-2026-000066783

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two 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-2026-000066783) never changes.

Identity and time

Publication numberOT-2026-000066783 · never reused
Internal UUID01a0ae8e-ce43-756e-8787-ca7d45e0e514 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066783
StatusPUBLIC

Content hashes

Canonical text87d238dc653cd48d253884f2a26b88874eaff75328bac54e7842c5afdda2421d
Markdown788245028fab39282b1451b85b359c9c19a6cdcaae16f8bf4de798e60b9b0455
PDF
Publication page8427e6b4f38bea66a906bc289f44093c7cc68274c1669c5f983c202f967cdebf
Manifestb53cb9dc0bf151b8d8554689551ed39e004132976b953499b55dbbf2f3d8207c

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
Signature4QaRNxjuTKYHjrUCmt3/V1mcH+htSc3Fy7B0Hwj4dYRs5F1a8UneANPJVxnGLAR0COeG7SMcf0hi2w9AUKObAw==
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

2026-09-17T10:33:12.297104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066783
observed 8427e6b4f38bea66a906bc289f44093c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:12.280572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066783/manifest.json
observed b53cb9dc0bf151b8d8554689551ed39e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:12.262991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066783/publication.md
observed 788245028fab39282b1451b85b359c9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:12.244845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066783/publication.txt
observed 87d238dc653cd48d253884f2a26b8887...
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.