OpenTechnical

OT-2026-000076041

Publication integrity record

Foam pad vacuum gripper, four zone face, 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-2026-000076041) never changes.

Identity and time

Publication numberOT-2026-000076041 · never reused
Internal UUID01a0ae94-6a6e-7db4-87a3-fe9b53f8c618 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076041
StatusPUBLIC

Content hashes

Canonical textc514ec9a962f37d4d7974fa15590eb8a2f0957ad2d28df8f6ceabe53facc450f
Markdown1e84ef49ced9caeb97f7b78903f3f8d14003ae140c6e6817b4a9fbc460d1a601
PDF
Publication pagef64aaacd1fd95343bb7c79330ac8838aa9c8df60276cf614e8c5c893cab2a851
Manifestacf486e3b90941c8268454ba4d9f2a15abe3f96e85dec4dd7bb0c0c03d22b921

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
Signature+/kh6PaWlwmpD+YbsNvH8/6CzHF7mgkq7RD2PvVuWc/dK9lACrYQp22EGqIuR1aMexwM9appIko/ywxcR5JUAQ==
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

2026-09-17T10:10:30.729865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076041
observed f64aaacd1fd95343bb7c79330ac8838a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:30.702080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076041/manifest.json
observed acf486e3b90941c8268454ba4d9f2a15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:30.556368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076041/publication.md
observed 1e84ef49ced9caeb97f7b78903f3f8d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:30.537944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076041/publication.txt
observed c514ec9a962f37d4d7974fa15590eb8a...
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.