OT-2026-000006544
Publication integrity record
Vacuum cup gripper, common isolation valve, three stage ejector, pressure verified, contact triggered, 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-2026-000006544) never changes.
Identity and time
| Publication number | OT-2026-000006544 · never reused |
|---|---|
| Internal UUID | 01a0a95e-e701-7fcf-8685-8ba311f4bbf6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:39:24.164031Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006544 |
| Status | PUBLIC |
Content hashes
| Canonical text | 396bd36a5d8bcb6f1ce87b0624ab5c582d0499614791ed53cb956f55f9c2b771 |
|---|---|
| Markdown | f7ba96af64b863b3ca51228faadbf683deba1887599be6802b48c550289504f3 |
| Publication page | 41d8b3b96e798f0b2ed5937b0afaad33bb05b6f394a8b437a84654f9ce7a579d |
| Manifest | afbc029ad3a4187740402ea394c02c2f0d67379e34a5af92ad81cf90811fb39d |
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 | uY25I1ocZH4YXy66vl4jPGn5TZPa9fk1iTtcO2/5/A5ZPUBJ883TDpAbfUgIR9KBhtSzW9fSoC6I08CEXSMNBQ== |
| 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
| 2026-09-16T20:41:46.335573Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006544observed 41d8b3b96e798f0b2ed5937b0afaad33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T20:41:46.131520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006544/manifest.jsonobserved afbc029ad3a4187740402ea394c02c2f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:45.930876Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006544/publication.mdobserved f7ba96af64b863b3ca51228faadbf683...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T20:41:45.685460Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006544/publication.txtobserved 396bd36a5d8bcb6f1ce87b0624ab5c58...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:04.935862Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006544observed 41d8b3b96e798f0b2ed5937b0afaad33...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:04.918060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006544/manifest.jsonobserved afbc029ad3a4187740402ea394c02c2f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:04.890792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006544/publication.mdobserved f7ba96af64b863b3ca51228faadbf683...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:04.876871Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006544/publication.txtobserved 396bd36a5d8bcb6f1ce87b0624ab5c58...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. |
|---|