OT-2026-000021834
Publication integrity record
Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000021834) never changes.
Identity and time
| Publication number | OT-2026-000021834 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7a4d-a191-28037bf83353 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021834 |
| Status | PUBLIC |
Content hashes
| Canonical text | c21334ce2442c7f0766c122f338ac681c1dfdcaa7a7b5c4a03911b888c866087 |
|---|---|
| Markdown | ce9df4f7ea87b7ebe247c778a24be3204299ec41cdc34a2120350e20f2819c93 |
| Publication page | 37da8029f17fdc00127034949d925f3646313a87cd496501204a275e9cef2c9b |
| Manifest | f4045da485d7841127a5b3c37e544e1bb0961b13dff56c8e68b55a7cf60b9831 |
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 | OEGB5Q4zRJD2I0soh5SZCB8PnaAXEijPAYvSiYUNyh/BZuQrqIlQ1aVvZqHCFULls0gpLrTNKoDWiYAMuIC/Cg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:54:23.470333Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021834observed 37da8029f17fdc00127034949d925f36...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:23.452692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021834/manifest.jsonobserved f4045da485d7841127a5b3c37e544e1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:23.436107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021834/publication.mdobserved ce9df4f7ea87b7ebe247c778a24be320...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:23.417922Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021834/publication.txtobserved c21334ce2442c7f0766c122f338ac681...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. |
|---|