OT-2026-000091153
Publication integrity record
Four bellows cup vacuum gripper, four 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-2026-000091153) never changes.
Identity and time
| Publication number | OT-2026-000091153 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-f16b-78f5-aca3-d1f7b414cf06 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:16.158740Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091153 |
| Status | PUBLIC |
Content hashes
| Canonical text | 75412a0e39396334638027e29520b9a6644bc2bcac69eeefc893c0ac2ac7e000 |
|---|---|
| Markdown | fc55b0128efa22ae12884d4c881e4dd00ecb0e2f7aa6b3d830f5645c2ab1e340 |
| Publication page | 828d89972a504810ab7f89ddb786b52bbe4c22c7aaf0702554f1d34a38d7ac35 |
| Manifest | 75c377ffa38f6f6eff1e49012d602b7ee74fd30c83d5ee7b6aabef3ce18181f1 |
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 | yx33DVWGD/ohFeypjmUAyc9SeipLIIRph9KKY4L84biDGc89Qpti7zMHKG3q0eT2J7Fw8r4przTbdg1wE9WLBw== |
| 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
| 2026-09-17T09:43:18.374792Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091153observed 828d89972a504810ab7f89ddb786b52b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:43:18.357114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091153/manifest.jsonobserved 75c377ffa38f6f6eff1e49012d602b7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:18.340680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091153/publication.mdobserved fc55b0128efa22ae12884d4c881e4dd0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:18.324203Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091153/publication.txtobserved 75412a0e39396334638027e29520b9a6...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. |
|---|