OT-2026-000028743
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000028743) never changes.
Identity and time
| Publication number | OT-2026-000028743 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2fa-7392-8645-90401a9de5f0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028743 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6077cc8994bb4d6f87ba61482b2a36f2a578b181d25cfa2eefb921240a900827 |
|---|---|
| Markdown | b18e8bf9abb773c1bc04c4da27de5c00028682a177820a9dfd0761a2112a7ee1 |
| Publication page | 8bdaad147932caedd08a1910e00bae951c7be5cbcdbd56e2b1c35f1522d08f51 |
| Manifest | b49b82fc05654475a93b86fa94bc18293860d1cbb27369886cee9309ac117ae5 |
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 | Ua7qrwqnaYNYJoRBGXd/qb9T8pKpFduyBwEtdNmaDmApoD27L+SPYg58veI/jE/krCGwJXjK4F3I2whvg8+xAg== |
| 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
| 2026-09-17T11:41:45.623923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028743observed 8bdaad147932caedd08a1910e00bae95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:45.605525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028743/manifest.jsonobserved b49b82fc05654475a93b86fa94bc1829...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:45.589360Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028743/publication.mdobserved b18e8bf9abb773c1bc04c4da27de5c00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:45.570868Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028743/publication.txtobserved 6077cc8994bb4d6f87ba61482b2a36f2...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. |
|---|