OT-2026-000049981
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000049981) never changes.
Identity and time
| Publication number | OT-2026-000049981 · never reused |
|---|---|
| Internal UUID | 01a0ae81-fd77-7282-95c8-a7d74bbcc4a3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:49.774136Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049981 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9e0909b0a611ae07176be70052aea6c6aaeb8ab5d7a86e96d129af8c898f5829 |
|---|---|
| Markdown | 62274bf12bb88dab3418db7c5dfc8a7e3323b33b605c401b2a1c5ff48961e1e2 |
| Publication page | 1bc61d4b011cddf3872a6c5316e195f3cc7f6af4f9072a9cc81d90922cfc53fa |
| Manifest | c8deb0f77dca47cb1f1fced0ddd419694fa84ef89b48393337b46a676cc29acb |
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 | +uc7WUxvbqgNhOpAMrOJOsf3iA7Tf/upWTQSoGEH6oexlJpwtk9IXGm85gk1CTz6vHDDPXaw5QyxsJhON8ueDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:01:55.956511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049981observed 1bc61d4b011cddf3872a6c5316e195f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:01:55.939686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049981/manifest.jsonobserved c8deb0f77dca47cb1f1fced0ddd41969...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:55.921841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049981/publication.mdobserved 62274bf12bb88dab3418db7c5dfc8a7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:55.903777Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049981/publication.txtobserved 9e0909b0a611ae07176be70052aea6c6...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. |
|---|