OpenTechnical

OT-2026-000083223

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000083223) never changes.

Identity and time

Publication numberOT-2026-000083223 · never reused
Internal UUID01a0ae97-c963-7403-8b88-acd1a8788504 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083223
StatusPUBLIC

Content hashes

Canonical textd76ad014edba2ff91a1043d2643b61e3e216803c76b7024043de7e8f4e70daa5
Markdowna73217dcfcb7cd623fd7523ff0400e22f94baa47e5d401313ca36d2eec658633
PDF
Publication pageb69e63e1524dd323d146e02ecd4140556db9d7973b088f6a26aebc7c4c343115
Manifest6046866aeb473e45ada840ca2ea699cf756f57ac3da3526df6ef6d9ea8a83cab

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
SignaturebAtRn9RfZu6CUw8lYjpiZtlLgExrw0EJgD/SpQgH/cYJ/hOAsAHB8fHSVB6rcozF2EX3xtbLQzXEeZaaKxOOCw==
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

2026-09-17T09:01:08.920085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083223
observed b69e63e1524dd323d146e02ecd414055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:08.889343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083223/manifest.json
observed 6046866aeb473e45ada840ca2ea699cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:08.847723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083223/publication.md
observed a73217dcfcb7cd623fd7523ff0400e22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:08.816351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083223/publication.txt
observed d76ad014edba2ff91a1043d2643b61e3...
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.