OpenTechnical

OT-2026-000089356

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000089356) never changes.

Identity and time

Publication numberOT-2026-000089356 · never reused
Internal UUID01a0ae9b-db01-7499-aa27-4ba96cf96cfe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089356
StatusPUBLIC

Content hashes

Canonical text15c9870ff3f92b2c297f3c0f9c4d58c46cfe0e2ef83ed1e4743dc2c1dd139741
Markdown2f002e4b9972cd9d189752f1e2ca57735823d00ac70503ba9241b6a7cafbc17c
PDF
Publication paged2d85f3f392c42d18bad4b06e431ed3794862a6fe82c16827effe6a9961d8f37
Manifestac0d8c2172419d644cab145d3c5a44b564f8e11aeba99886defac3ab96d140bf

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
SignatureI1Lg3SBul7tRPJsCe8CLVLZ+aRQHR3BS1sR/na8tqvdK1kqWAFbsDcXG7nlDQRYGjKNF5rYftRpeNES/zQcLDw==
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

2026-09-17T09:47:24.854501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089356
observed d2d85f3f392c42d18bad4b06e431ed37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.834753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089356/manifest.json
observed ac0d8c2172419d644cab145d3c5a44b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.816927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089356/publication.md
observed 2f002e4b9972cd9d189752f1e2ca5773...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.801028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089356/publication.txt
observed 15c9870ff3f92b2c297f3c0f9c4d58c4...
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.