OT-2026-000004594
Publication integrity record
Vacuum cup gripper, three stage ejector, pressure verified at each zone
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-2026-000004594) never changes.
Identity and time
| Publication number | OT-2026-000004594 · never reused |
|---|---|
| Internal UUID | 01a0a91d-23eb-721a-9e4c-5404c62b7e2b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:27:34.382305Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004594 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0f43b0afcac094df4c57b72fd29201c46b62b0da39c176899ef08906752fc51f |
|---|---|
| Markdown | a0d4334521a77ef9c15ec4f8cf582835a2ce5c513ce0e844b430dd89c63b4fa6 |
| Publication page | 508792b4ab0b97376394baff53efd3447748cdb7900b3cb3b6ebf1c7d06c635f |
| Manifest | 6b58c94122cce67be56761ad5aa1517be3d18f3d7974557c2d837ce63f2dca42 |
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 | t1dQTxvzF8mrsPZUlVYzoPOSVdlqUWz1o6SgtRwCmSAwtsTAWwHBLFPYP3V8F4+h0hfpkctRfRU58e+kS9hJCA== |
| 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
| 2026-09-16T07:30:11.194511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004594observed 508792b4ab0b97376394baff53efd344...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:11.181420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004594/manifest.jsonobserved 6b58c94122cce67be56761ad5aa1517b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:11.154137Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004594/publication.mdobserved a0d4334521a77ef9c15ec4f8cf582835...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:11.140462Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004594/publication.txtobserved 0f43b0afcac094df4c57b72fd29201c4...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. |
|---|