OT-2026-000028544
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, sustained 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-2026-000028544) never changes.
Identity and time
| Publication number | OT-2026-000028544 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7c02-8939-5bef2d2c3bd6 · 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-2026-000028544 |
| Status | PUBLIC |
Content hashes
| Canonical text | fab4d42d3c985997bc9e7b965d832334a04fb1fd51c2c22ed15623dedd933713 |
|---|---|
| Markdown | 7a5c18221865333047e3095f1fb4df7eb080082e452a82e654932f3a156792fa |
| Publication page | 64a2fdc05c76625fa27724c3634a673eec692d8755afba136645ebf58239c8bd |
| Manifest | d2f30bd4b5fe7d74a8e8f5ba6cf24241edfd7f9829485a62fc75f9b41b156b6a |
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 | ezPyKazaJp5utm0zysaUpCf41ocdbonkJoXrdAvlPIKrLyJo0NRCTx+oVOeUDPYGoOvS0NWctanCZkngyXqdCA== |
| 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
| 2026-09-17T11:40:49.476049Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028544observed 64a2fdc05c76625fa27724c3634a673e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:49.457674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028544/manifest.jsonobserved d2f30bd4b5fe7d74a8e8f5ba6cf24241...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:49.439705Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028544/publication.mdobserved 7a5c18221865333047e3095f1fb4df7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:49.419390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028544/publication.txtobserved fab4d42d3c985997bc9e7b965d832334...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. |
|---|