OT-2026-000004908
Publication integrity record
Bellows cup vacuum gripper, four zone face, three outlet manifold, pump fed, pressure verified
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-2026-000004908) never changes.
Identity and time
| Publication number | OT-2026-000004908 · never reused |
|---|---|
| Internal UUID | 01a0a927-6dff-7377-aec7-428568d722a4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:38:48.706191Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004908 |
| Status | PUBLIC |
Content hashes
| Canonical text | 47a4ef6fdd87c0af2ebe1aa0fa156d55dc5a770ba072ffb62d4a01f2c341e6f2 |
|---|---|
| Markdown | d86f251d850a8bb34a5a83eeb25acef7741f051c6fb5f04180720572b7364ca3 |
| Publication page | 7dfe7cc7f0e32ee8d55a155445426d356b6be288043b9d4c7e075594f9d67e9b |
| Manifest | 8f79130b5baefb8f8cdc7868e4a58e11fc60ea384451c7d85af4c0e57fdc875a |
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 | dbCbwLOe296oua/7siZtQh5e2SMYyfXdXL+K/DdGhVAU46hV2imD7s6r0Tfo1LMFHajk+FRKzZX+NLy1fLtdAQ== |
| 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
| 2026-09-16T07:40:05.951363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004908observed 7dfe7cc7f0e32ee8d55a155445426d35...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:05.937884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004908/manifest.jsonobserved 8f79130b5baefb8f8cdc7868e4a58e11...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:05.924177Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004908/publication.mdobserved d86f251d850a8bb34a5a83eeb25acef7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:05.911510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004908/publication.txtobserved 47a4ef6fdd87c0af2ebe1aa0fa156d55...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. |
|---|