OpenTechnical

OT-2026-000081084

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000081084) never changes.

Identity and time

Publication numberOT-2026-000081084 · never reused
Internal UUID01a0ae96-b976-7825-845f-d8be59572ce7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081084
StatusPUBLIC

Content hashes

Canonical textbbbefdbe0710c267b9107cf2dc6589db3f87575bcfe714e81d8cf85c28dc63c8
Markdown3429118ee9eba178d78c496a8470dca125fe776f5bfde6b43fc14aa879070651
PDF
Publication page10e4a5104d293554547b0a0de4261a09795a0ae38de6ec3a15e199d23667ba27
Manifest40b2207fa339e8c7a55698ee2a59884613c21819c7f5e861a807bdf4b475b347

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
SignatureuRxl1SdqMpj+CGXvtej0P/UWWYh9K+L2kfeixt1PS7Y7jdmELCtVx/1iZV74RZE9EL69C32hi4i4CU3+U626Dg==
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

2026-09-17T10:02:23.193407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081084
observed 10e4a5104d293554547b0a0de4261a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.176500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081084/manifest.json
observed 40b2207fa339e8c7a55698ee2a598846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.159132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081084/publication.md
observed 3429118ee9eba178d78c496a8470dca1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:23.143216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081084/publication.txt
observed bbbefdbe0710c267b9107cf2dc6589db...
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.