OpenTechnical

OT-2026-000006921

Publication integrity record

Vacuum cup gripper, six outlet manifold, plant vacuum fed, pulsed blow off after set down

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-2026-000006921) never changes.

Identity and time

Publication numberOT-2026-000006921 · never reused
Internal UUID01a0a96c-6368-7d64-b565-a4b83f48d676 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:54:07.980537Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006921
StatusPUBLIC

Content hashes

Canonical text23e1148eb3dff6c28f4fca90174e95e60c41a3c0e31382a434b9416c21f3d9d1
Markdownf2cbb2823515b0edb6e4dfdb1d119e0e01522063c90cbc6d0b50384c0ad0f647
PDF
Publication pagec64ad713cde03b910eea2640c70d0daa0de91e5735ec614fecb96d23d3d11b6d
Manifestb3ddd2bb08d84395d9ccf555de6a68fc02e6233a19e196a7cef8ebfd6f37568a

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
SignatureENZ05+KNGyRVqDqV4y8xHEufnB8Ldx7CTuG+swVJ6aWrNdJGpU1c3QTTzCM5N+ges932V1dOzK9yhXfWWfA0Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:21.885181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006921
observed c64ad713cde03b910eea2640c70d0daa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:21.745906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006921/manifest.json
observed b3ddd2bb08d84395d9ccf555de6a68fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:21.732064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006921/publication.md
observed f2cbb2823515b0edb6e4dfdb1d119e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:21.718988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006921/publication.txt
observed 23e1148eb3dff6c28f4fca90174e95e6...
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.