OT-2026-000054191
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000054191) never changes.
Identity and time
| Publication number | OT-2026-000054191 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a8-7aa9-8937-1371e153334c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:53.019909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054191 |
| Status | PUBLIC |
Content hashes
| Canonical text | c80320754d7821c5a9f9011fc42c1d2a5f29ad5ef25047767a613d8227d710bb |
|---|---|
| Markdown | e0bc4c7e2470f338657278b23f9fe9d4fa8c8fa7a7041dce050b6d9b7db00011 |
| Publication page | 3a9fbab9e1e429256fdfdc61598910bd3c66abaed6011e57b72718d4b299ef1e |
| Manifest | 8fe7779f22c351ca1f6c2446543b44e598035d789b67ca9eee6320f029e56995 |
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 | DHx9Uq9tKR7vrzPkomn8UiW+Vrqk/ODV1lCGoALsEKNyPeqcZHjfRg+vIESjeHzkZj0Yu6sjQ+hBI2seXxLzDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:56:27.291340Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054191observed 3a9fbab9e1e429256fdfdc61598910bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:27.272956Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054191/manifest.jsonobserved 8fe7779f22c351ca1f6c2446543b44e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:27.252122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054191/publication.mdobserved e0bc4c7e2470f338657278b23f9fe9d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:27.233742Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054191/publication.txtobserved c80320754d7821c5a9f9011fc42c1d2a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:39.737382Z | HTTP 502 · ERRORhttps://opentechnical.org/p/OT-2026-000054191observed ...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:39.713142Z | HTTP 502 · ERRORhttps://opentechnical.org/p/OT-2026-000054191/manifest.jsonobserved ...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:39.699184Z | HTTP 502 · ERRORhttps://opentechnical.org/p/OT-2026-000054191/publication.mdobserved ...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:39.685003Z | HTTP 502 · ERRORhttps://opentechnical.org/p/OT-2026-000054191/publication.txtobserved ...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. |
|---|