OT-2026-000028200
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, 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-2026-000028200) never changes.
Identity and time
| Publication number | OT-2026-000028200 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-77e8-a093-411565ee5df1 · 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-2026-000028200 |
| Status | PUBLIC |
Content hashes
| Canonical text | bca0ad1323d3a1266c296c74b759a49d858de57279558785defc42c9caf49866 |
|---|---|
| Markdown | 82b619b017d4aceecc166a9310df6b425faaf08a8a1616e8c11b162eaca7f20a |
| Publication page | 2b6b879766dfccbb0db535f967f22656aeff85b3e6450d1a470c8c8571696b17 |
| Manifest | 4cf5d6880586c6453d85a8dd9cbd735b1d076bcc73e77267bdd8ab8c103130b0 |
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 | X97wAviMF4ZLeGeC7ov1sHL8yiqEuhuX2nYopWTNVqElwl2ioS1K3gG1qrOznTx7y1yHovaLqiF3HW/8PbeeAA== |
| 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
| 2026-09-17T11:42:33.783941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028200observed 2b6b879766dfccbb0db535f967f22656...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:33.766397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028200/manifest.jsonobserved 4cf5d6880586c6453d85a8dd9cbd735b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:33.748707Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028200/publication.mdobserved 82b619b017d4aceecc166a9310df6b42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:33.731894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028200/publication.txtobserved bca0ad1323d3a1266c296c74b759a49d...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. |
|---|