OT-2026-000003992
Publication integrity record
Porous face vacuum gripper, two zone face, two stage ejector, pressure verified at each zone
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-2026-000003992) never changes.
Identity and time
| Publication number | OT-2026-000003992 · never reused |
|---|---|
| Internal UUID | 01a0a90c-803f-7688-a519-1d218a6fed19 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:23.906560Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003992 |
| Status | PUBLIC |
Content hashes
| Canonical text | 219ddf054009c410f6b544488fe12df6503cfc376c1f46c958029448517030be |
|---|---|
| Markdown | 2c853fb377755d24f31006a889d1e8de7b65a57ea62b94ab7505b71be4d84d96 |
| Publication page | 7874156a3bf8700f2c2713e69f630081cb941b22ee289edf3623e793c7d3044e |
| Manifest | 986a920adee7742531d277ffe6cfbf98610ee6ce96ae654143401e75d255dc19 |
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 | n5k50Q115el1unLmLeVn06hHK8acqRk7cikYiOa+ISfcY77uluIms8XRBsKJ5kFrv8tXuAs/5vk1ydVjrYTBAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:10:07.647915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003992observed 7874156a3bf8700f2c2713e69f630081...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:07.633589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003992/manifest.jsonobserved 986a920adee7742531d277ffe6cfbf98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.619788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003992/publication.mdobserved 2c853fb377755d24f31006a889d1e8de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:07.604488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003992/publication.txtobserved 219ddf054009c410f6b544488fe12df6...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. |
|---|