OT-2026-000091052
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, sustained 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-2026-000091052) never changes.
Identity and time
| Publication number | OT-2026-000091052 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c012-7d03-8343-761aa7e56680 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091052 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2bcc1ba4c50b927b38e0d9dfddb4dcf6f82a0428c84b05cbe15abb70e0c55a60 |
|---|---|
| Markdown | 7a2b162e0fb43d544e3be29c1bb0c112e385f79c1adea53378e6d1c741bfc0a3 |
| Publication page | a8efbdcf3508a97c160fa183f4f789058eca3ee5076471407daa8c035231712b |
| Manifest | e32eab154114702bf65f42cc6eab9a5e2deb3512fe8cf2f16a2821b12289e451 |
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 | NQy7nqbPe9a3Z1ehkPMP/k/2V/Pk1UT3wNjY+vzMrQMwH5TH3S5lXh9kRGKrVDXDEeuRcrYb8likqX101Q4wCg== |
| 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
| 2026-09-17T09:44:17.504898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091052observed a8efbdcf3508a97c160fa183f4f78905...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:17.486916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091052/manifest.jsonobserved e32eab154114702bf65f42cc6eab9a5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:17.468066Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091052/publication.mdobserved 7a2b162e0fb43d544e3be29c1bb0c112...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:17.451304Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091052/publication.txtobserved 2bcc1ba4c50b927b38e0d9dfddb4dcf6...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. |
|---|