OpenTechnical

OT-2026-000098738

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, manifold 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-2026-000098738) never changes.

Identity and time

Publication numberOT-2026-000098738 · never reused
Internal UUID01a0aea2-42ae-7ce8-9a69-08acf2df7632 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098738
StatusPUBLIC

Content hashes

Canonical textdab9094ab9b73e3ccc6d8f84c65eb5a60c594f859d3aa7f061aef0244467c6bb
Markdown98ea2d72be611bf7edecf2da2aeccb3e920fe9f33fa36bf4148e0266b3fc4a71
PDF
Publication page7e5ffb1a725875b16b51f7063fafddae67210e535a2c844c100fc324cfb02425
Manifest4df3332537c8df89842cd05ec66bf501b818b95ff9580bbd3b4216df28579215

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
SignaturecqafgNm3n+7EDVCB7QSoSeoRW21DVZkX5ZjZ0uJqcdLjGXRoOn5h6ndt5JSawThSKze906Z80D0UYMZMxY04CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:03.235135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098738
observed 7e5ffb1a725875b16b51f7063fafddae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:03.218803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098738/manifest.json
observed 4df3332537c8df89842cd05ec66bf501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:03.190578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098738/publication.md
observed 98ea2d72be611bf7edecf2da2aeccb3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:03.163482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098738/publication.txt
observed dab9094ab9b73e3ccc6d8f84c65eb5a6...
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.