OT-2026-000028254
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000028254) never changes.
Identity and time
| Publication number | OT-2026-000028254 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f4-7c88-8e86-75b80494902f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028254 |
| Status | PUBLIC |
Content hashes
| Canonical text | bf932b9be51fefe7796a0663b7b8441b109a0b692db864968f93689c2a245cbf |
|---|---|
| Markdown | 47cbdad3f5f242428b237255a66911a8777958348ee954325af6e56f290306df |
| Publication page | 8e9e2fab5344173f89eb32419856bf42dd69864ecdeb6f906010817a0e6e6c71 |
| Manifest | e17c6d45818fe737e630692ca753acd4c8278e88c70e3bc3daa7b60acde3f758 |
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 | sE/CaEAN5E/5vrB0G2CPtZ4cjMNon6kTqQ7jwtZ6a0P6KERWTsCPKuAUwKFUHB82e7XN4dvDTPu0HxaUzbytBA== |
| 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
| 2026-09-17T11:40:07.558887Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028254observed 8e9e2fab5344173f89eb32419856bf42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:07.542530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028254/manifest.jsonobserved e17c6d45818fe737e630692ca753acd4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:07.525114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028254/publication.mdobserved 47cbdad3f5f242428b237255a66911a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:07.506638Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028254/publication.txtobserved bf932b9be51fefe7796a0663b7b8441b...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. |
|---|