OT-2026-000021699
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000021699) never changes.
Identity and time
| Publication number | OT-2026-000021699 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7e9b-9dd9-3491d3382636 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021699 |
| Status | PUBLIC |
Content hashes
| Canonical text | c4ef44c2149e35e41ee6786ee9e42d89a3ce2564e25bc8f85ea97b9ff2b70114 |
|---|---|
| Markdown | ab54ab3f51b114bd8ee97661503c8a8e862f98ae8f697bef557fd9681c32f299 |
| Publication page | dc5e593083093a202bc23b63b1fce197a3a54af5e4752d181b1ef9201dedc7b6 |
| Manifest | aa373b380a3c26a4050ea732b48bbc8c46db942a7a1e63e395fd3a20124b70af |
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 | wgBQtguku1WuhZtDVzaCKm20T5lLdArz2ROuGyceZUCtsx75tQE9JD6ogVBKsb/u27HLj3cXnP7oCRNG17hWCg== |
| 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
| 2026-09-17T11:54:14.224775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021699observed dc5e593083093a202bc23b63b1fce197...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:14.206786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021699/manifest.jsonobserved aa373b380a3c26a4050ea732b48bbc8c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:14.188075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021699/publication.mdobserved ab54ab3f51b114bd8ee97661503c8a8e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:14.170009Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021699/publication.txtobserved c4ef44c2149e35e41ee6786ee9e42d89...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. |
|---|