OT-2026-000040817
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000040817) never changes.
Identity and time
| Publication number | OT-2026-000040817 · never reused |
|---|---|
| Internal UUID | 01a0ae79-6d10-7b83-8c83-db6522cb9d17 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:26:28.516236Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000040817 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2ae7b7e4633e2db3149cde0fa2bdc89f7cc7a8484aa4319bbebd9110f850d2df |
|---|---|
| Markdown | 9794ba2b36ca7ff1e14a4c099ddd0b1ce41705b598dd597d9d8926e293235b69 |
| Publication page | e29befa1f401a303b48416ff13fa3294eee19f3f1eacc4bc8415b9ab864f7671 |
| Manifest | 0ab0b23457749c7b96220753acb7632261f43c66e9c23ff690279a3c7c0dcb54 |
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 | UkeZ5ELa0kCAe4GFDPr5PZd/xf87hjV6WHaGTbALMj88+frdAfHplPbxvqtgY6zB3Jhof8K2emBsAWJ54mwFBQ== |
| 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
| 2026-09-17T11:20:09.665532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040817observed e29befa1f401a303b48416ff13fa3294...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:20:09.647394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040817/manifest.jsonobserved 0ab0b23457749c7b96220753acb76322...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:20:09.631005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040817/publication.mdobserved 9794ba2b36ca7ff1e14a4c099ddd0b1c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:20:09.614376Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040817/publication.txtobserved 2ae7b7e4633e2db3149cde0fa2bdc89f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:18:35.608772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040817observed e29befa1f401a303b48416ff13fa3294...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:18:35.591549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040817/manifest.jsonobserved 0ab0b23457749c7b96220753acb76322...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:18:35.574815Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040817/publication.mdobserved 9794ba2b36ca7ff1e14a4c099ddd0b1c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:18:35.557185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000040817/publication.txtobserved 2ae7b7e4633e2db3149cde0fa2bdc89f...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. |
|---|