OT-2026-000004338
Publication integrity record
Vacuum cup gripper, per zone isolation, two outlet manifold, three stage ejector
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-2026-000004338) never changes.
Identity and time
| Publication number | OT-2026-000004338 · never reused |
|---|---|
| Internal UUID | 01a0a914-7450-70b0-bade-189a0e2d85a8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:18:05.139103Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004338 |
| Status | PUBLIC |
Content hashes
| Canonical text | 938ff4079f85f6c9c8a2a5ef80b69617c5bc4b9ae4a3da4d30574f6a7dfe6df6 |
|---|---|
| Markdown | ebd236dcf6ae080668bbd2e78fdb0386a58f765b7e1aa155f01b1781cbf4d3f1 |
| Publication page | 0f27fe7a2a354b52030bc823ca37f3e5ba32745510a019e3d26d4cead82ffc8d |
| Manifest | ecf3257ba3afd97620a51fabfca92f65e6728485d00fec12ad1181502a1be584 |
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 | ew83TdXsvwrv0tKLeujHGVB1npRKlqiEPSvdnSlSbBEaoTwDijm23dRpLvJxwk+0AOWKTPKL/SUqUT1hYp2vBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-10-16T00:41:52.549189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004338observed 0f27fe7a2a354b52030bc823ca37f3e5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T00:41:52.464271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004338/manifest.jsonobserved ecf3257ba3afd97620a51fabfca92f65...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:52.381047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004338/publication.mdobserved ebd236dcf6ae080668bbd2e78fdb0386...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:41:52.257433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004338/publication.txtobserved 938ff4079f85f6c9c8a2a5ef80b69617...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:08.246588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004338observed 0f27fe7a2a354b52030bc823ca37f3e5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:08.021156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004338/manifest.jsonobserved ecf3257ba3afd97620a51fabfca92f65...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:07.855917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004338/publication.mdobserved ebd236dcf6ae080668bbd2e78fdb0386...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:07.585735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004338/publication.txtobserved 938ff4079f85f6c9c8a2a5ef80b69617...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|