OpenTechnical

OT-2026-000076789

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000076789) never changes.

Identity and time

Publication numberOT-2026-000076789 · never reused
Internal UUID01a0ae94-b070-7c2e-9f21-ebc866f8408a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076789
StatusPUBLIC

Content hashes

Canonical text8695fa0fe078cf898e4459b3e2fe7967a7433bed989f07997f7c82f5cd88ba2f
Markdown365f50f4f6301aee129773c84a3a00ef1a6fcd44eecc2278ff84fe5d803b6faf
PDF
Publication pageeebf0f27e9e7389c7da9ba1ecd1052787a11dd1ed14bc433b597d4b6725bbf36
Manifest85c2768819cd8bcdb989f00a621f00dfc57756aa502a05a6dbc7ebaaf5e821c9

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
Signature9YKt7/4y92EpMKusfG0B8aIdgsIV7rL3oDn9eMJEQjgVXqypwmoNN5ZVpKeufZ/+d2uYP7s8WGueNZb6FyHZCw==
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

2026-09-17T10:09:31.137712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076789
observed eebf0f27e9e7389c7da9ba1ecd105278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:31.119803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076789/manifest.json
observed 85c2768819cd8bcdb989f00a621f00df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:31.101294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076789/publication.md
observed 365f50f4f6301aee129773c84a3a00ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:31.081663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076789/publication.txt
observed 8695fa0fe078cf898e4459b3e2fe7967...
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.