OpenTechnical

OT-2026-000069798

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, vented before set-down

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-2026-000069798) never changes.

Identity and time

Publication numberOT-2026-000069798 · never reused
Internal UUID01a0ae91-185f-7003-a2bd-58c7aae5b529 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069798
StatusPUBLIC

Content hashes

Canonical text0dc518e79a9b9f3aca794984c76b430afe15549b768c869c53112cd60626c85f
Markdown62636171dbdbb8e1154c1e56b37713c8eda7616b4a0108920ec96a4666ac5cd4
PDF
Publication page98a6bc3c3646d44a58828211356c375d943fbed2d51f96fef4490b9f3909fc7d
Manifest090b1aec6c958e54da5d093cb78d4b5a1af966b371793f3dcda3ea0242833090

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
Signaturef84IyRZvihHIN7DbTa4Scf0aDzWTJCSc2diKZv/rLXEhCgp6Vbl73tzHKwYFPGcROsnFL3DKx9SYz6VjQDvMBQ==
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

2026-09-17T10:26:37.823033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069798
observed 98a6bc3c3646d44a58828211356c375d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:37.803631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069798/manifest.json
observed 090b1aec6c958e54da5d093cb78d4b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:37.785664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069798/publication.md
observed 62636171dbdbb8e1154c1e56b37713c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:37.767783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069798/publication.txt
observed 0dc518e79a9b9f3aca794984c76b430a...
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.