OT-2026-000006229
Publication integrity record
Vacuum cup gripper, common isolation valve, two stage ejector, vented after set down, silicone cups
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-2026-000006229) never changes.
Identity and time
| Publication number | OT-2026-000006229 · never reused |
|---|---|
| Internal UUID | 01a0a953-b6cc-7473-acce-87273628f5ea · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:27:10.926913Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006229 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1669d37c57884fcda0ebedf64a52fdba05c6d600e6247dd57c7765f6f0c41f60 |
|---|---|
| Markdown | e241a63c4373fe80f9e5077ecf5cafb87896e9c95c279436ff9c72150375f27f |
| Publication page | 511c8f6a5ebd8856c46b93321c1f98e9f1633df606561e9b19f3c14b87b36355 |
| Manifest | bd77f118ef3dc0370bde5151e93b061422ad336b435b283a9d32ea2e7e130a3b |
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 | StWHyHwpKcGX6bDIdTjd0QdjHWkOiZWFbaT5B7aTzFcvz4cepnKmtsweTYFPVtIBgRYISTctdGySfn8b/rVoBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T16:41:58.098134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006229observed 511c8f6a5ebd8856c46b93321c1f98e9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T16:41:57.955586Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006229/manifest.jsonobserved bd77f118ef3dc0370bde5151e93b0614...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:41:57.849497Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006229/publication.mdobserved e241a63c4373fe80f9e5077ecf5cafb8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:41:57.564388Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006229/publication.txtobserved 1669d37c57884fcda0ebedf64a52fdba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:30:12.483280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006229observed 511c8f6a5ebd8856c46b93321c1f98e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:30:12.469657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006229/manifest.jsonobserved bd77f118ef3dc0370bde5151e93b0614...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:30:12.452850Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006229/publication.mdobserved e241a63c4373fe80f9e5077ecf5cafb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:30:12.429618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006229/publication.txtobserved 1669d37c57884fcda0ebedf64a52fdba...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. |
|---|