OT-2026-000028755
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, two 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-2026-000028755) never changes.
Identity and time
| Publication number | OT-2026-000028755 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7006-a159-ee55c35ebcc0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028755 |
| Status | PUBLIC |
Content hashes
| Canonical text | 28bb00d39f8c5a37ca0d12c37baa645d553ded0852bf34acef571cc816479e7e |
|---|---|
| Markdown | 4ef0db594a2bd6675e563ec17b4cfddd847db35f8a19935d297ae78214e3e5fa |
| Publication page | 03edf1e35b17a4e742c952494b09c8bb6dfe5839d23250c6c26372b4ad3b2a85 |
| Manifest | 2f4b220d424dc05e518d6f8d1becfc7113b25140f23ebd285e3fe0ae0f9e322e |
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 | N5e6rNBs74nvQaIowOCHMHqKY3NEDsFiPl0mUNmHcSh1Wfd6RwP9tLt4fSjKGEBLAy258LOvsvWWbzdF6G1yAw== |
| 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
| 2026-09-17T11:39:58.406426Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028755observed 03edf1e35b17a4e742c952494b09c8bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:58.385622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028755/manifest.jsonobserved 2f4b220d424dc05e518d6f8d1becfc71...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:58.369199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028755/publication.mdobserved 4ef0db594a2bd6675e563ec17b4cfddd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:58.351199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028755/publication.txtobserved 28bb00d39f8c5a37ca0d12c37baa645d...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. |
|---|