OT-2026-000005450
Publication integrity record
Porous face vacuum gripper, two outlet manifold, pump fed, contact triggered, vented 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-2026-000005450) never changes.
Identity and time
| Publication number | OT-2026-000005450 · never reused |
|---|---|
| Internal UUID | 01a0a939-65be-7af8-b675-0b3720c35ad2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:58:26.241019Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005450 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7f4bf6ba4c8b03dafb65f5e4facbf4b0fd39735e37aebe9d9bab9436ab1bc8a3 |
|---|---|
| Markdown | 5c6f21c233852a5dd23d5f386e624014d1ede1b295c6e3c921c2d24b141fe5f7 |
| Publication page | 27cb4390b68a07d9aa8c45e34bc46f063943aeaeed31b9a99ac53017a7e98645 |
| Manifest | f8e8335c43219b18668fc1df1db0a66cf9aea4f9d9baaac3e8bf7fca5fdeb333 |
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 | zNy2i8e0m/FyREm6VkpnYnNsQKbtUkSRRw9ShJ5FmNOflmRHo4O4YI1xAOOx88T6QRGpMrv/Vtiz3DJDoRXSDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:08.144563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005450observed 27cb4390b68a07d9aa8c45e34bc46f06...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:08.130959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005450/manifest.jsonobserved f8e8335c43219b18668fc1df1db0a66c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:07.992242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005450/publication.mdobserved 5c6f21c233852a5dd23d5f386e624014...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:07.980137Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005450/publication.txtobserved 7f4bf6ba4c8b03dafb65f5e4facbf4b0...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. |
|---|