OT-2026-000077493
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer
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-2026-000077493) never changes.
Identity and time
| Publication number | OT-2026-000077493 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f50a-753d-93b2-0b65d53097a2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077493 |
| Status | PUBLIC |
Content hashes
| Canonical text | 96fccba40204b43d6de718b813846f584bef706c2ca905f8ec8bf43716f87bb4 |
|---|---|
| Markdown | 39590f44c22a0094fae69c6b70f6e573a62fa124626048c644bfe6f0e27368c9 |
| Publication page | d71857f095eb61e3e77efbddd23ce7e480b23f72e3c9bea691d4b15396f927f7 |
| Manifest | 062ba9c4ebc913becc652f89ca31563006142da321ade4e9429c67e61c7340e2 |
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 | U5UHmuhghJ+UXMcEF8NQhiH63kTXgvf8zgXGQSSH38hkrwDVvhghxis3bGd+XRcUlxmRO5xUCR5OIFeTHBnjCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:09:10.963553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077493observed d71857f095eb61e3e77efbddd23ce7e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:09:10.945015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077493/manifest.jsonobserved 062ba9c4ebc913becc652f89ca315630...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:10.925700Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077493/publication.mdobserved 39590f44c22a0094fae69c6b70f6e573...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:10.907108Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077493/publication.txtobserved 96fccba40204b43d6de718b813846f58...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. |
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