OpenTechnical

OT-2026-000083733

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000083733) never changes.

Identity and time

Publication numberOT-2026-000083733 · never reused
Internal UUID01a0ae98-0417-7a13-9f14-a07df11d7ef2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083733
StatusPUBLIC

Content hashes

Canonical text0566af9e01e0a354b992cc17db9951683b381d57fefcc25d67c402bb73b1cf7c
Markdown02b900d0c74ab0aec7ed128e613a6d9edeab1bf57baca799c201167c5750cc43
PDF
Publication pageae7748d02452eec4835439b10a6ebb8ede9126729646699b8aa138c81de1d4e5
Manifestc41e5a9c973e5881f8fe76df4f3e1df3fc8d836c7621fc9fd8b7b9a0717f2e40

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
SignatureDz58x7FYtFjZ0Ztw06/4rGMmMrDixZb51jpkeMbvs/dL/GTQvZbTi7wRXUPWLqQBoxOJvehsz9IOj1YD4GZZCQ==
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

2026-09-17T09:57:22.056091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083733
observed ae7748d02452eec4835439b10a6ebb8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.039128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083733/manifest.json
observed c41e5a9c973e5881f8fe76df4f3e1df3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.023046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083733/publication.md
observed 02b900d0c74ab0aec7ed128e613a6d9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:22.006998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083733/publication.txt
observed 0566af9e01e0a354b992cc17db995168...
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.