OpenTechnical

OT-2026-000075453

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000075453) never changes.

Identity and time

Publication numberOT-2026-000075453 · never reused
Internal UUID01a0ae93-f201-710a-8d12-ebae293246f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075453
StatusPUBLIC

Content hashes

Canonical text0b5d2b1ecb83c79ef2e70a809da4ef48f23d18695c691188d2086fbbd027a9e9
Markdown7739dd64f37f08010c3386e9bfa04bb9f4ffe53cb3b173a9cae4627a17598b93
PDF
Publication page132e274182e80bb3645ea8ecdb92663bc926d81456034b0b0811a896c0d8e944
Manifest9b3e2890d6f5a71fc6137d69ac5fea88018c71ec0da337eb72b53c09aef61549

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
SignaturepYBtkAWnCUJ5Z19gGBz7FDullQxxjzFpYcNbKCpXWWUMY7qYUqvVG/Crav4g7Mq5JRcp31UPx2PKY1lKWCroDA==
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

2026-09-17T10:17:43.212495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075453
observed 132e274182e80bb3645ea8ecdb92663b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:43.194287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075453/manifest.json
observed 9b3e2890d6f5a71fc6137d69ac5fea88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:42.441617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075453/publication.md
observed 7739dd64f37f08010c3386e9bfa04bb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:42.046977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075453/publication.txt
observed 0b5d2b1ecb83c79ef2e70a809da4ef48...
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.