OpenTechnical

OT-2026-000090133

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold 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-2026-000090133) never changes.

Identity and time

Publication numberOT-2026-000090133 · never reused
Internal UUID01a0ae9c-428f-7425-b93c-eb352ccac24c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090133
StatusPUBLIC

Content hashes

Canonical textcbbb6f296310e414e75367dc7e172d3309b0cf6500e4d280843f1b1ec12fb6d0
Markdownbe814919cf65542300028c9706aac9cdd3547583cc4eb59e3efe9bfd2ea5160b
PDF
Publication pageea6e6c7f9df78e6587c02676b91ec425b366ce496591475ce9e7cab1ca68c787
Manifestda0ede7e0d13f1f00600ccba7ffc6f8a06e159351554ca032a0d13a73175c3f1

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
SignatureZ5DksBFr/ln4D4kTmIy9+siehcbnitEfAk1lEEd9OBHESSIMr3rbT8WELGlX3GfJSvdCujPc5+5Dax6kDOyzDQ==
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

2026-09-17T09:45:34.207100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090133
observed ea6e6c7f9df78e6587c02676b91ec425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:34.188905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090133/manifest.json
observed da0ede7e0d13f1f00600ccba7ffc6f8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:34.169739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090133/publication.md
observed be814919cf65542300028c9706aac9cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:34.152154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090133/publication.txt
observed cbbb6f296310e414e75367dc7e172d33...
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.