OpenTechnical

OT-2026-000084138

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after set-down, on a tool changer

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-2026-000084138) never changes.

Identity and time

Publication numberOT-2026-000084138 · never reused
Internal UUID01a0ae98-5b5f-7599-981f-31f59a4bdc27 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084138
StatusPUBLIC

Content hashes

Canonical textbacd9c15f3810a24977e8b6ee4352e505cc250362a8308bbf586cae706ac23ca
Markdown917babc4015db212601867ae80f2ac3403bec850cc8cf409726c3dc6e4904993
PDF
Publication pagecef305138cd1b09c2f97dfb084c082a4aeab90ea0a80b7c688cf610ff25a5a43
Manifest3f5451b0d58c7d6c80e3eba697e6cb15e1ec31d2d0b62b152ee26cea55606c09

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
Signature/Wp5KMoxF7uEUspE/0ju7aaGjBg6hMrwl9WuE66//YxTNlrU6MILZWY5ETuHxwjazwZgnIfiXuFtcOUtTYI5CA==
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

2026-09-17T09:55:54.224290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084138
observed cef305138cd1b09c2f97dfb084c082a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.205615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084138/manifest.json
observed 3f5451b0d58c7d6c80e3eba697e6cb15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.186787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084138/publication.md
observed 917babc4015db212601867ae80f2ac34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.168825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084138/publication.txt
observed bacd9c15f3810a24977e8b6ee4352e50...
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.