OpenTechnical

OT-2026-000077223

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000077223) never changes.

Identity and time

Publication numberOT-2026-000077223 · never reused
Internal UUID01a0ae94-f508-7da4-9b34-d50aead6ba93 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077223
StatusPUBLIC

Content hashes

Canonical texte4252e15388ba8b6da9684ece11947574c7cb928a91c34798f6edd1c430da0e2
Markdowne2ebbc884bd76b2485c56104110d749d076f8cea84fefde9576ee136ab9b768e
PDF
Publication page91f9c5724aac1a04f5e60e2c15c44910679392312e2c684abc1a801e65988ad4
Manifestda8ad868fb8949ddc0854ef1362ff8d46e5aeab18100d38900cdd332fb4571cd

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
SignaturekiMLVWMFSNZoY0RxWP+cNbWOBp/OVgGmdyBhvsoENprU3Idhc/M7azrvGzZp4gKdW2PqEorFNZFk9i6bwkMBBA==
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

2026-09-17T10:08:49.720552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077223
observed 91f9c5724aac1a04f5e60e2c15c44910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:49.702871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077223/manifest.json
observed da8ad868fb8949ddc0854ef1362ff8d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:49.685167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077223/publication.md
observed e2ebbc884bd76b2485c56104110d749d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:49.665716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077223/publication.txt
observed e4252e15388ba8b6da9684ece1194757...
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.