OT-2026-000033538
Publication integrity record
Foam pad vacuum gripper, common isolation valve, pump fed, pulsed 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-2026-000033538) never changes.
Identity and time
| Publication number | OT-2026-000033538 · never reused |
|---|---|
| Internal UUID | 01a0ae75-a38e-7bce-af31-8cd916156dc1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:22:20.325649Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000033538 |
| Status | PUBLIC |
Content hashes
| Canonical text | c9037e7103cac13833c782d665b12b869d245c56d25fa7a5484b76932e7351dc |
|---|---|
| Markdown | 2c5febb59077dcfaf7e022288632d8f0458c4e61e6d15e054289a1ad8ef29691 |
| Publication page | 752eb5e5b0fc4b710989d0a77d7aeeddde512e56b9d84f5664fd86640db83bab |
| Manifest | 8b17045be4c281f2c4d7b5f31805e3e7b4058e3ed0e163a5cbda1e56459e4170 |
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 | Ecez8TiFUUTpUO62AL0E5Sr1psez6eAUxynPNgT2o0dgloL7O7I4JlT6Z0ssyPI/YbYQpjSJ4fKiuoPZKn2VBg== |
| 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
| 2026-09-17T11:31:23.937285Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033538observed 752eb5e5b0fc4b710989d0a77d7aeedd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:31:23.920597Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033538/manifest.jsonobserved 8b17045be4c281f2c4d7b5f31805e3e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:31:23.901580Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033538/publication.mdobserved 2c5febb59077dcfaf7e022288632d8f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:31:23.883043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033538/publication.txtobserved c9037e7103cac13833c782d665b12b86...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. |
|---|