OT-2026-000007221
Publication integrity record
Vacuum cup gripper, four zone face, ejector fed, pulsed 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-2026-000007221) never changes.
Identity and time
| Publication number | OT-2026-000007221 · never reused |
|---|---|
| Internal UUID | 01a0a977-0a90-7eea-a706-face78a4ef78 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:05:46.130522Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007221 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4ea8946f48310795f5757275ceead2276195c662d9f7127af68160560a5f50bb |
|---|---|
| Markdown | 8e80cd352f8b0a7529fba1bab68670eb01184b881dab7d90f2e1c492204f7518 |
| Publication page | a26591bd7fae1337e3109745238cb850271e05a19cb50ff8cc7caf027de582f0 |
| Manifest | fa5a1c1edb7f08bff74f746ef77c920bc2b26a6e037065d2dd868b28c5203b53 |
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 | FgwLHZpcJ9672Qz73dMhw58X7Z4nveP5bQMQqQLhybv9OmiPE7isP0Vyx7DrOtHWYFdZOId8sHryMY1nvVxMAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:07:03Z batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof root 2354c19da800f8df297acf3cddd64d4d... |
|---|
Independent retrieval
| 2026-09-16T12:41:58.238773Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007221observed a26591bd7fae1337e3109745238cb850...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T12:41:58.106131Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007221/manifest.jsonobserved fa5a1c1edb7f08bff74f746ef77c920b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:41:57.909797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007221/publication.mdobserved 8e80cd352f8b0a7529fba1bab68670eb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T12:41:57.674711Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007221/publication.txtobserved 4ea8946f48310795f5757275ceead227...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:14.473394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007221observed a26591bd7fae1337e3109745238cb850...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:14.459264Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007221/manifest.jsonobserved fa5a1c1edb7f08bff74f746ef77c920b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:14.446825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007221/publication.mdobserved 8e80cd352f8b0a7529fba1bab68670eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:14.434356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007221/publication.txtobserved 4ea8946f48310795f5757275ceead227...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. |
|---|