OpenTechnical

OT-2026-000074241

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000074241) never changes.

Identity and time

Publication numberOT-2026-000074241 · never reused
Internal UUID01a0ae93-7178-7f93-8594-90196d62d9b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074241
StatusPUBLIC

Content hashes

Canonical text1a69ea414ccc5a564fd5ca33f68bc4e7b2bb6e0214574a95bc6e01e3037a4f83
Markdown8db20c50b97a552e977f0f3a539ac413e7ef6acbf513e2b00074ace6aa92a566
PDF
Publication page09cef114bd0f6ffe84ed494be93e587f08af395acd09dbb03bbe1a7862451934
Manifestc0f25d83ae50a5d5fcafcc37e14ed4e81106f299ecb8d6d3ff38cfe6bd95cef9

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
SignatureGvIoBeLWQUl5r0HDuubN1ZOirerW0ktcJg4o/FaRDNbo7UNZkT/qLj9/z8KmZq16LdDGp6OT6Nauo2+t0zVqAA==
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

2026-09-17T10:19:06.827815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074241
observed 09cef114bd0f6ffe84ed494be93e587f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:06.807453ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074241/manifest.json
observed c0f25d83ae50a5d5fcafcc37e14ed4e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:06.787063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074241/publication.md
observed 8db20c50b97a552e977f0f3a539ac413...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:06.768637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074241/publication.txt
observed 1a69ea414ccc5a564fd5ca33f68bc4e7...
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.