OT-2026-000006741
Publication integrity record
Porous face vacuum gripper, three stage ejector, pressure verified, contact triggered, closed cell
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-2026-000006741) never changes.
Identity and time
| Publication number | OT-2026-000006741 · never reused |
|---|---|
| Internal UUID | 01a0a965-caca-7a7d-9297-6e755bc343d9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:46:55.693206Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006741 |
| Status | PUBLIC |
Content hashes
| Canonical text | e91dbe850b8b66fc5d47a5bea25bc6733367ddc1fdae2ce91e187e7ee0c7f0a8 |
|---|---|
| Markdown | da2805aab756342cf4156ff1d13093faaad34bf4e90e8aba12f1926d78ce0853 |
| Publication page | ba1721a0f767c3e331acf31f43a531e72d4d4788771dac3e3b52de219adf7bef |
| Manifest | d1af647b69adfcf12a8491415f4549eaf3265062b909213a8f887abf7eb1e2b0 |
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 | L0nHUPwfk22sh+YZmoH+1wJEgisX91joNJUixAYqrsShUCr0cw66Gkxf8p47LaPQCkC526UTiBDAvQ0hKsRJAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:47:03Z batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof root e368e9c5ab06dc5cb1b0682dd54c11f5... |
|---|
Independent retrieval
| 2026-09-16T08:50:11.422833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006741observed ba1721a0f767c3e331acf31f43a531e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:50:11.408347Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006741/manifest.jsonobserved d1af647b69adfcf12a8491415f4549ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:11.395010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006741/publication.mdobserved da2805aab756342cf4156ff1d13093fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:11.379988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006741/publication.txtobserved e91dbe850b8b66fc5d47a5bea25bc673...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. |
|---|