OT-2026-000028089
Publication integrity record
Two cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000028089) never changes.
Identity and time
| Publication number | OT-2026-000028089 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-76b3-b081-6885d741a72e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028089 |
| Status | PUBLIC |
Content hashes
| Canonical text | fa8d08b1032f405d5b92c7c1378ea0ecda4bc225ca4b8a63db209591374ed776 |
|---|---|
| Markdown | 3a3f0200a6a13cf0d70c71366b7ae01b3841406456f485ee76ca249f2cff894d |
| Publication page | e784751c881cca391f54b5e75fa6f733f4a261dc78a71973a99b2077f56f1fdb |
| Manifest | 77dff5443b03e01d4071dbf62ec7fad7ff777929fd764324036f8ea1ca775580 |
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 | yBtk23ubgOptgQtXVbT+RYFV3xhWzgX2BElk+qjFNGRYgg7ye4RcNRzSdvuuM/sYPRSk9CGt5TC7uOszl0VbAQ== |
| 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
| 2026-09-17T11:42:25.883130Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028089observed e784751c881cca391f54b5e75fa6f733...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:25.866352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028089/manifest.jsonobserved 77dff5443b03e01d4071dbf62ec7fad7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:25.848030Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028089/publication.mdobserved 3a3f0200a6a13cf0d70c71366b7ae01b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:25.831516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028089/publication.txtobserved fa8d08b1032f405d5b92c7c1378ea0ec...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. |
|---|