OT-2026-000018516
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000018516) never changes.
Identity and time
| Publication number | OT-2026-000018516 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-b48a-754e-a5db-d6dafcc0a27d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:45.971508Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018516 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5bde87a8d550fdf3ff1417530cb8bde25e7f06209733c99255a0d080a65e8347 |
|---|---|
| Markdown | 3e3a3cf167ac7751d8ab48299ac4821df0db80964e17765218fcecbf9eb0f034 |
| Publication page | bd964b8f416bd8f72e7756778c8f17d0b33ef68b9c4d73815ea22b8028d352b3 |
| Manifest | 20b6a3e2e22c0bf9bf6e72eb7e4fef89e870ad7eba0392db585146937fa9e0f0 |
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 | kjUcC8rbXWo425kCZQA+Js4FqL5Ddse4EQcUwaMBxDEtRJscBsxeERfXiSrHcQ7E5xnZopfNXoahaAHr0ApvAQ== |
| 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
| 2026-09-17T12:01:17.315972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018516observed bd964b8f416bd8f72e7756778c8f17d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:01:17.297161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018516/manifest.jsonobserved 20b6a3e2e22c0bf9bf6e72eb7e4fef89...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:01:17.279118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018516/publication.mdobserved 3e3a3cf167ac7751d8ab48299ac4821d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:01:17.262428Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018516/publication.txtobserved 5bde87a8d550fdf3ff1417530cb8bde2...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. |
|---|