OpenTechnical

OT-2026-000067561

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000067561) never changes.

Identity and time

Publication numberOT-2026-000067561 · never reused
Internal UUID01a0ae8f-6bda-7dfe-bddf-c32ffe48dd50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067561
StatusPUBLIC

Content hashes

Canonical text099791d13619fb61753f78fb4e40b4a2a4dbaaa793f16a9e9532bd9d20013883
Markdown03c95d8c4446ab02f7efa6c2140abbf76d983f3ed9c03fffe7f6d805ba57b044
PDF
Publication page9ce4828c8c17b9c1c422b4065eebd9f22777b920956d30a371a9d626b0f05786
Manifest89d3a4af064c17f49b959a6933c7ce5f9a6f7a263d9be0fdb0d631393174b138

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
SignatureTQfKMuDhh3Pk1RirjAKOYhZIzjV0Ap1mD9XTOUenjulZhzRIYKhu8vOwVFvNyHAtJW77qfiTfO5O9TVfSUGIAg==
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

2026-09-17T10:31:52.197202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067561
observed 9ce4828c8c17b9c1c422b4065eebd9f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:52.178823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067561/manifest.json
observed 89d3a4af064c17f49b959a6933c7ce5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:52.162460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067561/publication.md
observed 03c95d8c4446ab02f7efa6c2140abbf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:52.145226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067561/publication.txt
observed 099791d13619fb61753f78fb4e40b4a2...
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.