OpenTechnical

OT-2026-000008755

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, vented after 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-2026-000008755) never changes.

Identity and time

Publication numberOT-2026-000008755 · never reused
Internal UUID01a0ae6a-e46c-7ba4-8876-f50e6a998398 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008755
StatusPUBLIC

Content hashes

Canonical textb7a29a8c8d89ff76b78c85f9acbd480023b11dcd4be8d21390612d2e4bb4b02b
Markdown8cbd3daee254888ecfd31227a1f7cfd90a2cd3ba9cf6f52837ebdb494c638f5a
PDF
Publication page51dbb25bf0022647360127200c5984ffa9f77039445b5842f530c2cae33d0fa4
Manifestcd263ef91515f72d4c42e2bfb0ba51827ccc50ca323e618a4647b96f9ff1911f

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
SignaturetcHvKCAr3fUVJQjPIYuSGJWLvie9sbIMxArbEDuKk5zLRzPHiVrxmIeB9ZxRAeo2IXV15L1dLkHA9XNTy7pEDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:07.174180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008755
observed 51dbb25bf0022647360127200c5984ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:07.155395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008755/manifest.json
observed cd263ef91515f72d4c42e2bfb0ba5182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:07.135104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008755/publication.md
observed 8cbd3daee254888ecfd31227a1f7cfd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:07.113973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008755/publication.txt
observed b7a29a8c8d89ff76b78c85f9acbd4800...
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.