OpenTechnical

OT-2026-000064315

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, pulsed 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-2026-000064315) never changes.

Identity and time

Publication numberOT-2026-000064315 · never reused
Internal UUID01a0ae8d-a460-73a8-a366-de483f0d33a9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064315
StatusPUBLIC

Content hashes

Canonical texte57222f995a25f8c5dc20ff84211fe1c77eee26767306522cb1bf590b53290f7
Markdownf194d2c1a2dc3893f4aa5d20cec6608c75d4e6cb4038f0f7b52777e568d63832
PDF
Publication pageb7831d1ad755910c51d41fad2b9849c05488b0b45d42042d3b838309db4fe5a1
Manifestb30d88cabf36e61e93050b548b2ffa498e95f914f30e36f63dfb2ec14566e57d

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
SignatureW87F60GKoMMB0E43DB3qByh5Rc3xsbeI5zPd7S9u4X5N9HyxpyUEBFI5LuZurmTpc7p6EEGl7CirqYKu1486AA==
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

2026-09-17T10:36:28.010688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064315
observed b7831d1ad755910c51d41fad2b9849c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:27.993134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064315/manifest.json
observed b30d88cabf36e61e93050b548b2ffa49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:27.974813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064315/publication.md
observed f194d2c1a2dc3893f4aa5d20cec6608c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:27.957404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064315/publication.txt
observed e57222f995a25f8c5dc20ff84211fe1c...
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.