OT-2026-000013874
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000013874) never changes.
Identity and time
| Publication number | OT-2026-000013874 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8de9-7bad-b746-f060f428d257 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013874 |
| Status | PUBLIC |
Content hashes
| Canonical text | bf7161f1279f9b668baf3ff746a22d1dff54a4559194913c08baa46548158613 |
|---|---|
| Markdown | 5c2d56c3ab948bd1b4006f68272ced3beeaff8dd9549c38c1c7137bfa6537bf9 |
| Publication page | 46c2d3fa41193bff7dcf2d314bcb2f828e48faac00e5f57831b3a3a5e5021ac8 |
| Manifest | e55d4c231bd20af7d6076c96e885d9746d4738d8a87c1b147b79ddaa99cb06ff |
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 | 4iZcPt5CZIF744/3jSqRQqeB1sx/S9sxbGqZJv1kAZp4G7pP2QjEsLe9aCFYTpCz1l6PuZOzWnOYF4TG9DNECQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T12:08:59.466145Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013874observed 46c2d3fa41193bff7dcf2d314bcb2f82...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:08:59.446296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013874/manifest.jsonobserved e55d4c231bd20af7d6076c96e885d974...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:59.410540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013874/publication.mdobserved 5c2d56c3ab948bd1b4006f68272ced3b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:08:59.390276Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013874/publication.txtobserved bf7161f1279f9b668baf3ff746a22d1d...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. |
|---|