OT-2026-000090929
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000090929) never changes.
Identity and time
| Publication number | OT-2026-000090929 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-712f-8c76-ab6a65bdae96 · 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-2026-000090929 |
| Status | PUBLIC |
Content hashes
| Canonical text | f8a77e647d20e5d57cd986c1c420e8c6ca045d5bddd6ff7b91007353144ba7fd |
|---|---|
| Markdown | 6971df04873865c1dff7c4454dca355df4a00079429fb1631fcb817668bc6056 |
| Publication page | a2eef915e78e9b7e30ef0faee37c5c860cd5b912048d388898af48dfde1dba25 |
| Manifest | c319b5dc2bb5c84884d1e28c1bf5493c8b2ab02ceb3a08f4f83b5120bec919eb |
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 | /n4jXHek0asJaOEfBVXnmKEIpKs86ZHhkwpQ/ZSdpJNl/SSuWhmkdkE5d6bifphJqoQbibqTxUbIqnP9wOjJCg== |
| 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
| 2026-09-17T09:44:09.002684Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090929observed a2eef915e78e9b7e30ef0faee37c5c86...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:08.984599Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090929/manifest.jsonobserved c319b5dc2bb5c84884d1e28c1bf5493c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:08.966318Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090929/publication.mdobserved 6971df04873865c1dff7c4454dca355d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:08.947674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090929/publication.txtobserved f8a77e647d20e5d57cd986c1c420e8c6...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. |
|---|