OpenTechnical

OT-2026-000015767

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000015767) never changes.

Identity and time

Publication numberOT-2026-000015767 · never reused
Internal UUID01a0ae6e-0c4c-7591-b516-0396c9198555 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015767
StatusPUBLIC

Content hashes

Canonical text689667afc3fb5ac51bad465d0b68ba59a871a4e625e5b91771524c5f5b412677
Markdowndb4de4ea9e20d9db8d4dbcede7bdec918ee9d50b7f36e82d011279592bc1e9e0
PDF
Publication pagef13dbb032ee18c1b8b111e3ce24eab7936207b201300c8a2f5bec54879e262c1
Manifestf3b57b02f9888b87cc995ae110cef6ecd2a517ac33d666328d015199d3e964d7

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
SignaturedihpcAIh5v7FN71AfK9zPZPeEOFeQdqr1uGS9zzTa66EUJ6v6u3RDjiDBvm7KClrs8oTVg8nzxiL7B3aI3x4DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:05:03.872386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015767
observed f13dbb032ee18c1b8b111e3ce24eab79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:03.853408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015767/manifest.json
observed f3b57b02f9888b87cc995ae110cef6ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:03.832753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015767/publication.md
observed db4de4ea9e20d9db8d4dbcede7bdec91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:03.813472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015767/publication.txt
observed 689667afc3fb5ac51bad465d0b68ba59...
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.