OpenTechnical

OT-2026-000066283

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, single 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-2026-000066283) never changes.

Identity and time

Publication numberOT-2026-000066283 · never reused
Internal UUID01a0ae8e-8dc4-79b7-b1f1-2f671f5967be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066283
StatusPUBLIC

Content hashes

Canonical text096a551d378589d94a666942973afafa3ed84f08e3987f39b47809294ed30cb3
Markdowne5b771100d44b141e57313968b3f55c8b1d789c3531798b524e006d585052c22
PDF
Publication page4c3fe72aa75c969c943e56c140ba18adc0c73f60d1fe1adbf72de2225d89bb6c
Manifestefcbdb6e70f3d5c483a3e1fc7f0d8cc9c9b45a7a03cc66a9338b7d01af842c99

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
Signaturev8/JkmSgv6AG+wprwZIbJ+E/vvx+A1JXTg4otzukz4r5JJ6WvJT160p+rBibciu9JXTQDITfe3TUa+FvyWGjDA==
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

2026-09-17T10:33:27.755127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066283
observed 4c3fe72aa75c969c943e56c140ba18ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:27.739953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066283/manifest.json
observed efcbdb6e70f3d5c483a3e1fc7f0d8cc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:27.723983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066283/publication.md
observed e5b771100d44b141e57313968b3f55c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:27.707530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066283/publication.txt
observed 096a551d378589d94a666942973afafa...
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.