OT-2026-000004838
Publication integrity record
Vacuum cup gripper, common isolation valve, two stage ejector, pressure verified, 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-2026-000004838) never changes.
Identity and time
| Publication number | OT-2026-000004838 · never reused |
|---|---|
| Internal UUID | 01a0a924-ef15-7ad4-985a-f04710176b53 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:36:05.144292Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004838 |
| Status | PUBLIC |
Content hashes
| Canonical text | a90aac86af906817df7e4af2db2f1f5e5a33cd4831ab4a413478a68955f38b18 |
|---|---|
| Markdown | 91caae5df20261bfbd0455431402f307a01834c6cb34e2b9f839128112f0b095 |
| Publication page | a657363fdd9e98b16ea4110cff63ea61d97eb36d45665cf75a8f5aca467fffdb |
| Manifest | c889d6cc0f4c5b8e89fde87121b30f3ecbea273a91488bd69b084583ee45ac1a |
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 | hxp3d6W5ajB/ztgUMYSBJzkzG2ZhV+t1cq9NfAw/ID3bkx+0Z1gX0KCTq5M052VQWpiuY1Z8T5Bjrzh6TnUoAg== |
| 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
| 2026-09-16T07:40:13.629003Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004838observed a657363fdd9e98b16ea4110cff63ea61...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:13.490265Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004838/manifest.jsonobserved c889d6cc0f4c5b8e89fde87121b30f3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:13.474497Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004838/publication.mdobserved 91caae5df20261bfbd0455431402f307...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:13.462057Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004838/publication.txtobserved a90aac86af906817df7e4af2db2f1f5e...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. |
|---|