OpenTechnical

OT-2026-000006893

Publication integrity record

Bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, pressure verified, plastic cups

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-2026-000006893) never changes.

Identity and time

Publication numberOT-2026-000006893 · never reused
Internal UUID01a0a96b-1463-7df8-90f9-282cdccd5b2a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:52:42.214228Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006893
StatusPUBLIC

Content hashes

Canonical textaf08e7880cfe6e2b2bc64f24c572bc44608cdd8702b5205f9ce32678ecfed489
Markdowndb9df13b46dae34e3996fb9ebd9a088d18e0021c43a47a4794a2b437f3f4e32f
PDF
Publication page8b89bdf10b0d1cdfc1ac763aaee0b3d4d743164ea9f8ef60b50b9ee111d95c49
Manifest5eeedbe19269479d92f83387eef61be23952c295f3b165ab01215cb8f2056a36

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
Signatureb1/eeA+5cxJICiYRnFyJi3FSHvxLfvJCkbiVOM3eh6i1t45N7T+5wxwlAhU26fFZl0M2jVfwZuU3iBC8pathDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:24.740585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006893
observed 8b89bdf10b0d1cdfc1ac763aaee0b3d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:24.727324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006893/manifest.json
observed 5eeedbe19269479d92f83387eef61be2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:24.712964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006893/publication.md
observed db9df13b46dae34e3996fb9ebd9a088d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:24.699710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006893/publication.txt
observed af08e7880cfe6e2b2bc64f24c572bc44...
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.