OT-2026-000090877
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained blow-off before set-down
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-2026-000090877) never changes.
Identity and time
| Publication number | OT-2026-000090877 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-7815-ad90-51013263e451 · 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-2026-000090877 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4bf9d0b35e46940195ddd1497c5de28edcc5e173c4a9e2fb426231f37344de43 |
|---|---|
| Markdown | 305d7aa27410bd5b1db17b3699a694347c27388141d65b25fb0ecdff14f717b2 |
| Publication page | 3623cdd652cd0366835d5fb1252d6744c2b498389f53a87959978521c6a0c9d2 |
| Manifest | ca998bf7c7efa2368b08f366b6ffff1a35fef39989e335145b1387f4d6b45fb4 |
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 | +e4578KXJlBXkr3AyAW//o21HOGHEslG5RhWtUHlPad5fxGF3vUtpl2+z5jom5AKLVaMn0uX+WMx6RmDC+BOAg== |
| 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... |
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Independent retrieval
| 2026-09-17T09:44:04.450402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090877observed 3623cdd652cd0366835d5fb1252d6744...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:04.434027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090877/manifest.jsonobserved ca998bf7c7efa2368b08f366b6ffff1a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:04.416909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090877/publication.mdobserved 305d7aa27410bd5b1db17b3699a69434...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:04.397709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090877/publication.txtobserved 4bf9d0b35e46940195ddd1497c5de28e...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. |
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