OpenTechnical

OT-2026-000068060

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three 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-2026-000068060) never changes.

Identity and time

Publication numberOT-2026-000068060 · never reused
Internal UUID01a0ae8f-c4fe-70a9-b65f-49b5f6b1d9a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068060
StatusPUBLIC

Content hashes

Canonical text855b67c2c66a759d1ada2101bf27b1124be7ba775379aab79285d04d0be7d64d
Markdown503d5ea7d7ea07a601230545b0082278cffea8bf14ec3c5f108ffab5cc032501
PDF
Publication pagefaaaeb1f03293b0baf9ce3e234627e847a2fcd78c295ccfb262e0ff120bf1147
Manifest18007b9795b71b0f8458cdc51399dab35eb0044336a8bf4dbc7a1fecf0dd7c76

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
SignaturegzZjhQaoC4h0gRVugan/plALCujRkkmABIt/0WEbgXy3a4zzIsE5S8AHjglpb4aklmtPaX8RKaXtQPCzKm4YCg==
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

2026-09-17T10:30:38.685418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068060
observed faaaeb1f03293b0baf9ce3e234627e84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:38.667592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068060/manifest.json
observed 18007b9795b71b0f8458cdc51399dab3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:38.650389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068060/publication.md
observed 503d5ea7d7ea07a601230545b0082278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:38.631243ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068060/publication.txt
observed 855b67c2c66a759d1ada2101bf27b112...
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.