OT-2026-000005215
Publication integrity record
Vacuum cup gripper, three zone face, common isolation valve, pump fed, pressure verified, rubber 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-2026-000005215) never changes.
Identity and time
| Publication number | OT-2026-000005215 · never reused |
|---|---|
| Internal UUID | 01a0a931-8fc1-7da0-b0ef-153a4cc9fc50 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:49:52.708683Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005215 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9667b52b393e235860383ac6191d410c8cdc685d9c15ca864dc0a6c778cc249d |
|---|---|
| Markdown | 3a58c8c4b68bf47de2d7e1f4e0eada6b65cfeed33b21ffcfe5349f0962cd8e96 |
| Publication page | 0369842b8225b765ee990f6042b889f8af04073e141593b03a509248d11ae968 |
| Manifest | 063a2a5db827486b4eaa855d7b1fc77f8bf641e909badfde9b69075946b9b94e |
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 | a4Y417hWYkqucUD7UzUDGDrQDSmMnsoP4kLIjoEWl6ti5uRL1e3CDBKfH6AB/IjhGdiNIwAeJnhbHKb/q2QoBQ== |
| 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
| 2026-09-16T07:50:02.908569Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005215observed 0369842b8225b765ee990f6042b889f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:02.894807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005215/manifest.jsonobserved 063a2a5db827486b4eaa855d7b1fc77f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:02.880115Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005215/publication.mdobserved 3a58c8c4b68bf47de2d7e1f4e0eada6b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:02.743593Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005215/publication.txtobserved 9667b52b393e235860383ac6191d410c...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. |
|---|