OT-2026-000007171
Publication integrity record
Vacuum cup gripper, three zone face, common isolation valve, ejector fed, pressure verified, silicone cups
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-2026-000007171) never changes.
Identity and time
| Publication number | OT-2026-000007171 · never reused |
|---|---|
| Internal UUID | 01a0a975-44c3-722d-b6be-b02768469cfc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:03:49.957387Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007171 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4678f34431ee07228c3d4fa2af9ed6e116316e39ce02ce6a2329966303e47259 |
|---|---|
| Markdown | 377b424923614227726ff81c57416136299d414514056fdf0287fd723c906b4c |
| Publication page | 1030f1274264969ac356fbf9776f24e5cb127b69db5cf1eb8a3606cba00a7c35 |
| Manifest | 09e706640026067b998779bc93e2442c8aad9b3b32638a1de54d385118482e48 |
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 | yKeSEfnjd82d5KEvncdx4dvpm4TJqjYaCzOal4SiCFwwF4JCCWot7ObAi/UWgkNQmW7JNXAjjLS2TMEa0YdnCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:07:03Z batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof root 2354c19da800f8df297acf3cddd64d4d... |
|---|
Independent retrieval
| 2026-09-16T09:10:19.472605Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007171observed 1030f1274264969ac356fbf9776f24e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:10:19.460539Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007171/manifest.jsonobserved 09e706640026067b998779bc93e2442c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:19.445779Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007171/publication.mdobserved 377b424923614227726ff81c57416136...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:19.434094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007171/publication.txtobserved 4678f34431ee07228c3d4fa2af9ed6e1...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. |
|---|