OpenTechnical

OT-2026-000069355

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000069355) never changes.

Identity and time

Publication numberOT-2026-000069355 · never reused
Internal UUID01a0ae90-b529-78e4-8731-b17791b9b91d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069355
StatusPUBLIC

Content hashes

Canonical text4550a196b98b1cd0c40af099f6fe17ac924518350e632593ae7a96451c67441c
Markdown62b4f3348888623f1eba48891e03bdc1bdd60c3edd5ece09dd2873e944d28204
PDF
Publication pagede6cdd97e07937c23a2634991849172e5eba64716cb13b116c7f6340608fbf37
Manifestfa6b63a3875d561591770f9a3b8bfa5e0dd0067112873ca4ce87c77122ad8489

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
SignatureXsmhKtvQXcFxa7DCGuAXNlEb8MZtxMmfzvrKZqB+dO06qMzjRy0+gLS66W/iiqLpmRWZeF0x+ObsjH8KB7oJBA==
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

2026-09-17T10:30:15.894641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069355
observed de6cdd97e07937c23a2634991849172e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.875299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069355/manifest.json
observed fa6b63a3875d561591770f9a3b8bfa5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.855106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069355/publication.md
observed 62b4f3348888623f1eba48891e03bdc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.833434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069355/publication.txt
observed 4550a196b98b1cd0c40af099f6fe17ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.793116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069355
observed de6cdd97e07937c23a2634991849172e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.774224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069355/manifest.json
observed fa6b63a3875d561591770f9a3b8bfa5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.755189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069355/publication.md
observed 62b4f3348888623f1eba48891e03bdc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:56.736000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069355/publication.txt
observed 4550a196b98b1cd0c40af099f6fe17ac...
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.