OpenTechnical

OT-2026-000075755

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, 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-2026-000075755) never changes.

Identity and time

Publication numberOT-2026-000075755 · never reused
Internal UUID01a0ae94-29fe-726c-b49c-5ea5304a8db1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075755
StatusPUBLIC

Content hashes

Canonical textea09d454ae25cc3617b40ee60a785c2e4e984032ddd00d78514bfb0ef5d45dae
Markdown6eed35904a7e8692a0c991de449a0246e86da883ecc2ee068171b3d72ed25845
PDF
Publication page52f445134f4e2b562b6ffe2687c1946691cce70c32ec6fc0b5f12797b85cc822
Manifest1b58beef9905e4f8e8bb4f3c738df8342018228839de281a5d676acc0f856489

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
SignaturerCnhPDbErd6r/T7tftso1XQMk0tsGCl11jlrZmR3o7iDIjrQKlc796KUWONn3ICWPvn2tHjounYnC//T1X/HCg==
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

2026-09-17T10:14:08.315677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075755
observed 52f445134f4e2b562b6ffe2687c19466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:08.297729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075755/manifest.json
observed 1b58beef9905e4f8e8bb4f3c738df834...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:08.279252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075755/publication.md
observed 6eed35904a7e8692a0c991de449a0246...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:08.260432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075755/publication.txt
observed ea09d454ae25cc3617b40ee60a785c2e...
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.