OpenTechnical

OT-2026-000089451

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000089451) never changes.

Identity and time

Publication numberOT-2026-000089451 · never reused
Internal UUID01a0ae9b-db02-78a2-bbec-0147e7faa3b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089451
StatusPUBLIC

Content hashes

Canonical textf9a6e8030c959c21199ae28a69a963b9719cd11e0c3856bccafec169e418014c
Markdowna3553fc9a7363769152945a3a44f8d40b1c70e6c078bd605a2aa426471147cbe
PDF
Publication page9514fbcbdda1f3734ef404c73cb93f7c90b987f26209e97038029e9cec71d41a
Manifest94cb3744c00174d8069f2299595434ef66bd1c65b5d193bc277c0ae70d11df1a

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
SignatureyTa3gewGG/bT+V85Ka5Q2CZOrxDXoh4PHXQkC5tf8cDBg5/ndv8DuXBhoGCpkZSsSM+gixCw7VY0k/sN6UsfDw==
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

2026-09-17T09:47:35.980873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089451
observed 9514fbcbdda1f3734ef404c73cb93f7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.963852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089451/manifest.json
observed 94cb3744c00174d8069f2299595434ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.946542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089451/publication.md
observed a3553fc9a7363769152945a3a44f8d40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:35.929161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089451/publication.txt
observed f9a6e8030c959c21199ae28a69a963b9...
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.