OpenTechnical

OT-2026-000076523

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, 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-2026-000076523) never changes.

Identity and time

Publication numberOT-2026-000076523 · never reused
Internal UUID01a0ae94-6a71-7346-98ed-388cb3bca450 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076523
StatusPUBLIC

Content hashes

Canonical text636d719022c7a9d2415934e849ae2e872acfd17dbe0a3e2150e9ee2e91902089
Markdownaca0cc65c8a50be05aab6eb10d1479480b1cc0d8a8055d7ed3c07804db52e207
PDF
Publication pagec319a6997f3640704de60af697cc0e6df7c60a4300cb25bc5ea5d082a667d8ec
Manifestcc04ae74506fedc02cd647a084ad253c7ffd4b08fab1e4e743ee740df46a79a6

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
SignaturezJp8JNqo3XrEUuoM5N5tCxouq3xKeF+IHAxdOEnePDcK8h3z4T1n1z9CNSCmgK7fyIobU6BHakn1v4W67k74Dw==
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

2026-09-17T10:12:51.262263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076523
observed c319a6997f3640704de60af697cc0e6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:51.242900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076523/manifest.json
observed cc04ae74506fedc02cd647a084ad253c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:51.221873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076523/publication.md
observed aca0cc65c8a50be05aab6eb10d147948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:51.198225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076523/publication.txt
observed 636d719022c7a9d2415934e849ae2e87...
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.