OT-2026-000068939
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000068939) never changes.
Identity and time
| Publication number | OT-2026-000068939 · never reused |
|---|---|
| Internal UUID | 01a0ae90-6dcd-7471-8cb2-2a3e3fcc76ec · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:51:36.025578Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000068939 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7ca56fa3074629f59e1eb68417593e3d180b53900c74f9db51b834cbf943e21e |
|---|---|
| Markdown | d6ff32d21adea22ddb0e8968fa7e12bf2a1809bfccd66d27a276b0c7f94dee42 |
| Publication page | 40e2fca9a7bdf88a92efb662926dc0b3ec7367f63f5de4f8d42a7d2aa87484cb |
| Manifest | c1e5eb89d1cc2c6a69f8fcd12a4ff3be7758875fb136e4732ff0a90d34aa30a4 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | ReEtMSlGL+baZBvnCBhk4h6XvD3/rPNigDyfBWVQjCh3ziJ5RgsCpZ1UUdHhlyz6/F8OxzwYr8NviK92C4eCCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:28:46.319061Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068939observed 40e2fca9a7bdf88a92efb662926dc0b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:28:46.302944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068939/manifest.jsonobserved c1e5eb89d1cc2c6a69f8fcd12a4ff3be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:28:46.285608Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068939/publication.mdobserved d6ff32d21adea22ddb0e8968fa7e12bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:28:46.267608Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000068939/publication.txtobserved 7ca56fa3074629f59e1eb68417593e3d...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 archive | Pending 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 package | Pending Custody packages are produced weekly. |
|---|