OT-2026-000028504
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, single stage ejector, 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-2026-000028504) never changes.
Identity and time
| Publication number | OT-2026-000028504 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7362-99e3-73674b2df75d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028504 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9705e831e507910a8fce705da712fbab5b58d94116333936021c3ef5e0d612d2 |
|---|---|
| Markdown | 9904a841aad24c1be7efc02df38f765ac0eaf122c728f34d9bf7a8a0ef3de3e9 |
| Publication page | 09f88be1ee6a6f1f5bdec9d0adffc67c7fe6a74882c6a7869efe9ebd8e8a930e |
| Manifest | aa7c69e7593002e01354428817f9a2e11792a2ede0c55370388b42e05f1d89b6 |
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 | mNjd8Abfm3ZgxrEqU0mTVhMaNjBzDBvlphkjTzcoALi4pn18JNab0os2f7S8FhAvplla0FCLI17kRePxktmvAQ== |
| 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
| 2026-09-17T11:40:46.062246Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028504observed 09f88be1ee6a6f1f5bdec9d0adffc67c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:46.044943Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028504/manifest.jsonobserved aa7c69e7593002e01354428817f9a2e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:46.025432Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028504/publication.mdobserved 9904a841aad24c1be7efc02df38f765a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:45.993781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028504/publication.txtobserved 9705e831e507910a8fce705da712fbab...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. |
|---|