OpenTechnical

OT-2026-000069675

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000069675) never changes.

Identity and time

Publication numberOT-2026-000069675 · never reused
Internal UUID01a0ae90-b52c-7a93-b6b7-dabab60c77fc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069675
StatusPUBLIC

Content hashes

Canonical text386471f80dd76d580be95b63c6b7a51887f6cceb6fdc33bd6189d554b8b3e7ac
Markdown844c1ff25fea4305798213726070024293567b45982e1e9c1a0698fb0713ad36
PDF
Publication page2ee231971c8f465bbf30aacd05e9f9708a6db871a82845711f0c995c3462a841
Manifestacee390018d896f52c6a37230558f98b63fd38e1ab6001dc467f0608975be8cf

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
Signature8jBXVTVRVE0n82KKJpUVJhvQEPNHjqsEwih/dZXri5wswoQlzNWhKDjAK3X8sdc0joKtcD+z+qend6iWsa2+CQ==
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

2026-09-17T10:28:20.969447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069675
observed 2ee231971c8f465bbf30aacd05e9f970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.951488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069675/manifest.json
observed acee390018d896f52c6a37230558f98b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.933928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069675/publication.md
observed 844c1ff25fea43057982137260700242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:20.914569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069675/publication.txt
observed 386471f80dd76d580be95b63c6b7a518...
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.