OpenTechnical

OT-2026-000082681

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000082681) never changes.

Identity and time

Publication numberOT-2026-000082681 · never reused
Internal UUID01a0ae97-8cc8-789e-84ee-68527d257ff9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:22.827170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082681
StatusPUBLIC

Content hashes

Canonical texta8e19a7735511dff3350b623e28612465ef554af29ef660bf250b90ff8a2ca38
Markdown403c8892b344fd5a2c67d729f60f5f130e05fee11726e5763d47ddc6e908e211
PDF
Publication pagefc8667790f1ace1647c7ce3d97f72568ce294130539a9a8534b2ec46ce7990b9
Manifest4f533b6f98d0ed1502af62ef5636a1fb1082dd0db59fafcd5460ffa281805119

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
SignatureW/QNHo4hhayGfuAfUdGG2IAUtJOGWd8hKmPx57L9M1CSrWmwjTbjefujH6xVYUpM0TYL4X+BB6ELPN17dCjaCA==
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

2026-09-17T09:58:15.043645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082681
observed fc8667790f1ace1647c7ce3d97f72568...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:15.028042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082681/manifest.json
observed 4f533b6f98d0ed1502af62ef5636a1fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:15.010891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082681/publication.md
observed 403c8892b344fd5a2c67d729f60f5f13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:14.994217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082681/publication.txt
observed a8e19a7735511dff3350b623e2861246...
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.