OT-2026-000052121
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, vented before set-down, on a tool changer
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-2026-000052121) never changes.
Identity and time
| Publication number | OT-2026-000052121 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e78f-70cd-824c-147538b1542a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052121 |
| Status | PUBLIC |
Content hashes
| Canonical text | 434c9121b4c00dd837a57e856746eed4734c710f836a8bd1e64f87c85c6826b3 |
|---|---|
| Markdown | 85ccb7bb2f28f91f500de56f103944b6aa86ea1a3eefc50cf68f7b6cc50f3a99 |
| Publication page | 8b880410a01c60b03552b281f489923604aa9d0839b8e924f6a37f4d7e4f545a |
| Manifest | ee587741416628cd2da68843b37f263fd0e0c9756000676bec9b30dec91c235a |
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 | tok0STpT8ncAnFqTq3b49F3tAycmPZR/54oSj4xdkMTPlyGORWFz3gOiAGKMlfKCzLap1vQz6SPNbq/Q1zKnAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:57:40.044823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052121observed 8b880410a01c60b03552b281f4899236...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:40.025804Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052121/manifest.jsonobserved ee587741416628cd2da68843b37f263f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:40.006950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052121/publication.mdobserved 85ccb7bb2f28f91f500de56f103944b6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:39.987160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052121/publication.txtobserved 434c9121b4c00dd837a57e856746eed4...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. |
|---|