OpenTechnical

OT-2026-000087606

Publication integrity record

Foam pad vacuum gripper, four zone face, three stage ejector, supply line pressure sensor, sustained 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-2026-000087606) never changes.

Identity and time

Publication numberOT-2026-000087606 · never reused
Internal UUID01a0ae9a-cd53-71b5-b7e6-da5ca0bf9ccc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087606
StatusPUBLIC

Content hashes

Canonical textbda3b1b3290b66d961d123bc22f92c3b78f6524712a4690aa6a617623f06f630
Markdown971e5394c3a56ef604c2e417fc45952977a7bf9d545ad3998e32ef834364ad1b
PDF
Publication page1a5fc04158aa770664bc9c1fef37bb1837cb69b8665b01cb0723b8234cb6dec2
Manifestd6ce7bd7aea9f8483b9557575673f04fa990f0c752c9ff3e55ad00c06aef7089

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
SignaturebhAD4T/0LOKHflfS3zl76CB2d1FsuqcUtuKDbKpdH+3ojPGL5Szqd3g3En01t6/wo9nCz5VA9EMpHI+i4wNQAw==
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

2026-09-17T09:51:02.776598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087606
observed 1a5fc04158aa770664bc9c1fef37bb18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.759963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087606/manifest.json
observed d6ce7bd7aea9f8483b9557575673f04f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.744321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087606/publication.md
observed 971e5394c3a56ef604c2e417fc459529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:02.727770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087606/publication.txt
observed bda3b1b3290b66d961d123bc22f92c3b...
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.