OpenTechnical

OT-2026-000068675

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000068675) never changes.

Identity and time

Publication numberOT-2026-000068675 · never reused
Internal UUID01a0ae90-2483-76b2-8f57-d25ca7a216fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068675
StatusPUBLIC

Content hashes

Canonical textdb40f2caf47f376f6c11b327959f07013e3c25abb4bf025d6bf4c978cc2c8107
Markdowncfc8f4b7492416d5a143538d538232f2f9f3bf493c5088f28a98cfa5fea511db
PDF
Publication pagef7c56851e5d716b59e57da2a0a168774a3fb7274756b6251008940bec87effbe
Manifest6c40d48ef674558247964b8090afd0cfa1df677b830cd523fe4231bfe8ead9cb

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
SignatureeMVCthp1cvI4vg6HguUpyxI2EJ9OflPBbJmcv/1ZFdv3rvm14W8bTsEfVABk+KbLj1TKNpeUHccGn13hUYl9Cg==
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

2026-09-17T10:29:52.542028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068675
observed f7c56851e5d716b59e57da2a0a168774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:52.526699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068675/manifest.json
observed 6c40d48ef674558247964b8090afd0cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:52.510742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068675/publication.md
observed cfc8f4b7492416d5a143538d538232f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:52.493954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068675/publication.txt
observed db40f2caf47f376f6c11b327959f0701...
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.