OpenTechnical

OT-2026-000034908

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000034908) never changes.

Identity and time

Publication numberOT-2026-000034908 · never reused
Internal UUID01a0ae76-1ed3-79e5-9d62-0711936fb49d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034908
StatusPUBLIC

Content hashes

Canonical texte971ccf1e4636b2609cdf165e03d49d09305f51e46d50d56761d18058d1e9ec3
Markdownbfa673dd6cb470da1cc4352cd960720bc6c833a176525d72fa8900aaaa5abefd
PDF
Publication page7b9de118df5317f08a8ba607d31349d9de471bb0d7b8bddcb27fa89dfbf0bd41
Manifest585154dd65225da894d55fe72d54af72b1f5a76e918ab20c3adeeebe1ecb39f8

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
SignatureRhZWU5TdELXVlWBSNP2oqGL0IMWDusk4Ml3jWvUuJ7H4/egJCeGircSTWojVZQ0dzrSYKjN1O856AhwUwPCCCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:34.261291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034908
observed 7b9de118df5317f08a8ba607d31349d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:34.242877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034908/manifest.json
observed 585154dd65225da894d55fe72d54af72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:34.226337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034908/publication.md
observed bfa673dd6cb470da1cc4352cd960720b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:34.209410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034908/publication.txt
observed e971ccf1e4636b2609cdf165e03d49d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:55.135780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034908
observed 7b9de118df5317f08a8ba607d31349d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:55.118055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034908/manifest.json
observed 585154dd65225da894d55fe72d54af72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:55.098575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034908/publication.md
observed bfa673dd6cb470da1cc4352cd960720b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:55.080408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034908/publication.txt
observed e971ccf1e4636b2609cdf165e03d49d0...
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.