OT-2026-000004582
Publication integrity record
Porous face vacuum gripper, four zone face, common isolation valve, three stage ejector
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-2026-000004582) never changes.
Identity and time
| Publication number | OT-2026-000004582 · never reused |
|---|---|
| Internal UUID | 01a0a91c-aec3-789d-9ca0-c4f99c06ee59 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:27:04.389886Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004582 |
| Status | PUBLIC |
Content hashes
| Canonical text | aa04bb56faddd74f30bdf78f25986d4288156718e8ce7cca01d377e8e81c6148 |
|---|---|
| Markdown | ebc495036d716ca789b624f5c77d4dba94793f718d4520274fb54dcccc615112 |
| Publication page | 84c8b51727b3bdf434e7ba1d047b8aa9cb97f44cf367d63ca3dc035cd37db684 |
| Manifest | 2125e4c81f0b71ffab40e4a2c895373790d422a935bc570cf028da5c45e002fc |
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 | VlCkvjecj8nbdWwpMwSgQJc5HmmfdET7P/0zo4ipEeA7DZnS0eOj1p8XAM61OLhbWM/hOCQjyjmMFzQX+3OVBg== |
| 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
| 2026-09-16T07:30:12.456408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004582observed 84c8b51727b3bdf434e7ba1d047b8aa9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:12.440890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004582/manifest.jsonobserved 2125e4c81f0b71ffab40e4a2c8953737...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:12.427427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004582/publication.mdobserved ebc495036d716ca789b624f5c77d4dba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:12.413417Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004582/publication.txtobserved aa04bb56faddd74f30bdf78f25986d42...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. |
|---|