OpenTechnical

OT-2026-000088193

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, 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-2026-000088193) never changes.

Identity and time

Publication numberOT-2026-000088193 · never reused
Internal UUID01a0ae9b-1aa8-7a95-a4a9-bb64d4651ff2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088193
StatusPUBLIC

Content hashes

Canonical text1b9fda16299e0607cc396ecc2fb025b03aaaa03c6708670771d6b061682935b7
Markdowne908b3909fe28939ce01497662ac3d847b851cf6cffa3061507d2f48b2ddc578
PDF
Publication pagefb7eb6c469bd65ff8066d81c587c012afd2fc476348ab6da91f8cee91dea61ac
Manifest47606183e28137b068e0bcd3006f1cb7ffa43663eee968a93f67d88c5d9be585

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
SignatureIdFqbf2gUG5Ta+aX47wEGpmdTyexkHu40kK2ilhnwm9eaJbjGb5ctR0HacqVsc4IKzbwdjrTJRTffwvNJIObAA==
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

2026-09-17T09:50:15.923260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088193
observed fb7eb6c469bd65ff8066d81c587c012a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.905122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088193/manifest.json
observed 47606183e28137b068e0bcd3006f1cb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.887864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088193/publication.md
observed e908b3909fe28939ce01497662ac3d84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.870639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088193/publication.txt
observed 1b9fda16299e0607cc396ecc2fb025b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.372089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088193
observed fb7eb6c469bd65ff8066d81c587c012a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.354152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088193/manifest.json
observed 47606183e28137b068e0bcd3006f1cb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.336494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088193/publication.md
observed e908b3909fe28939ce01497662ac3d84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.316463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088193/publication.txt
observed 1b9fda16299e0607cc396ecc2fb025b0...
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.