OT-2026-000004938
Publication integrity record
Porous face vacuum gripper, three stage ejector, contact triggered, sustained blow off after set down
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-2026-000004938) never changes.
Identity and time
| Publication number | OT-2026-000004938 · never reused |
|---|---|
| Internal UUID | 01a0a928-6ddf-756e-b400-eb48d433abdb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:39:54.210039Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004938 |
| Status | PUBLIC |
Content hashes
| Canonical text | 921d0b86f4e5fa9602fdad8e2f513f5225e8f21210d68aba855e5cd8f061ef3f |
|---|---|
| Markdown | 8f5776d74eb30f434d9664c97ba8dbcda8921ab3232b73db2bf4c0d4b426d61b |
| Publication page | 5c20fca084d8e608ac4385225f18b0e19bb9ad3e553a88c9eb34f81a3947b072 |
| Manifest | 3cabb09ead067b545f380cac909049d6ce9356e692fad470755c5cb68d5cd97c |
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 | KDy3o9fX+CLRsUXOD+Nwj/VY1DNe7SlMo3jYDbf4Sz/2wv++tKGsnWU8XmLfBbEUkq7lwHKShvJcTgYSkO4aCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:02.635493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004938observed 5c20fca084d8e608ac4385225f18b0e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:02.621396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004938/manifest.jsonobserved 3cabb09ead067b545f380cac909049d6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:02.481286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004938/publication.mdobserved 8f5776d74eb30f434d9664c97ba8dbcd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:02.459274Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004938/publication.txtobserved 921d0b86f4e5fa9602fdad8e2f513f52...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. |
|---|