OpenTechnical

OT-2026-000087609

Publication integrity record

Four cup 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-2026-000087609) never changes.

Identity and time

Publication numberOT-2026-000087609 · never reused
Internal UUID01a0ae9a-cd53-7258-b94e-452725e3a1c9 · 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-2026-000087609
StatusPUBLIC

Content hashes

Canonical text45b6c80fa7b862d3efc7e3e2c2cba862cc4bafb4fc9ac76e23c8eac7e9a9a431
Markdownceadbcbe0e0dd1bac46077ab715bfcfa8c5dc6e2c1addacf3882d837fe987644
PDF
Publication paged3a7bae5cfb07a2b4bf1421cb5d1727884b324c668f775460d5cc4ad509df5eb
Manifest6c882420950d2b980faa588dce32268507dda9cbf5baa618d6760a143f8c6663

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
SignatureVCGBgKHIkvkZLSv/WV/EBHLWZMl58y75ENnJKfNhYC89312FUfCnMa4hFCJUBhtlQF6dLic/glP97JFBzUuBCA==
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

2026-09-17T09:51:03.056396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087609
observed d3a7bae5cfb07a2b4bf1421cb5d17278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:03.039776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087609/manifest.json
observed 6c882420950d2b980faa588dce322685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:03.024707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087609/publication.md
observed ceadbcbe0e0dd1bac46077ab715bfcfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:03.008161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087609/publication.txt
observed 45b6c80fa7b862d3efc7e3e2c2cba862...
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.