OpenTechnical

OT-2026-000070417

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000070417) never changes.

Identity and time

Publication numberOT-2026-000070417 · never reused
Internal UUID01a0ae91-545f-75ac-b9a0-70d36c5df572 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070417
StatusPUBLIC

Content hashes

Canonical texte07d55555c9557957f60e4fe9ce8f960c9b503530619e4b3d16aca6006f80380
Markdown5190e80eb1095f5d21a8609edf86ca1b17cff1f5f55ee70ba690842b61a1b16f
PDF
Publication page7d74864e3d4ed1b237bb60767173e3444e96846026321df33ce9c72b72c5fc47
Manifest112564286d8acc8203a26064370395b3155e2f5347b077dd4a97e2bfabad723e

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
SignaturecIV7pQJsDIlaeCiqkLbAQ9xTuEQ28MN6T18SYUuIg+ikBR92EsriZ2oNxVGRp3a93aO9PG+1XiEMAE00/ngGDQ==
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

2026-09-17T10:26:13.793724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070417
observed 7d74864e3d4ed1b237bb60767173e344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.777643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070417/manifest.json
observed 112564286d8acc8203a26064370395b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.760295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070417/publication.md
observed 5190e80eb1095f5d21a8609edf86ca1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:13.742556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070417/publication.txt
observed e07d55555c9557957f60e4fe9ce8f960...
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.