OT-2026-000052441
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000052441) never changes.
Identity and time
| Publication number | OT-2026-000052441 · never reused |
|---|---|
| Internal UUID | 01a0ae84-5739-7aaf-932f-42543394ad63 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052441 |
| Status | PUBLIC |
Content hashes
| Canonical text | 93c1e4e67b65e7290dd69a7179519ecf16fe43609a80a6a84e873fdd9cdbbc8e |
|---|---|
| Markdown | f0f5b1bf29226a49b49bc95ac8e8cf6f30c2f7825046f8adbbf4e8834eb230e7 |
| Publication page | cb2593f77304a17e451b136882dc19de5686f246d9e9467070ac54f111df1496 |
| Manifest | 5ccf52bc30445692b44bf20ce5808a981f6bca00269ab807ae9059e90d9511d8 |
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 | h1LK6mOgXINPfveoCmWmiCOgEvb4cbzEMjOzy8vQUv4TRBjubQk3sDwEETEBGFEbMxOr/c5umnG7zVVhLkG3BQ== |
| 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
| 2026-09-17T10:57:03.750961Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052441observed cb2593f77304a17e451b136882dc19de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:03.732458Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052441/manifest.jsonobserved 5ccf52bc30445692b44bf20ce5808a98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:03.695336Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052441/publication.mdobserved f0f5b1bf29226a49b49bc95ac8e8cf6f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:03.657938Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052441/publication.txtobserved 93c1e4e67b65e7290dd69a7179519ecf...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. |
|---|