OT-2026-000052073
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000052073) never changes.
Identity and time
| Publication number | OT-2026-000052073 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e78f-7185-b2c9-bcd211585645 · 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-2026-000052073 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9d72fa11cb47640e23adaf1d72c0b1efe1733c672e1eca9ed5024e988bdbe6e7 |
|---|---|
| Markdown | 698503717f0f8962ad5eea76ea4c41b297d4ebc86c24496b0620fd0310ca989d |
| Publication page | be2d020c5f4b5b6dc8f62a9eeab203de2da76958199fd0b547c0d9f5e2a8f63d |
| Manifest | 9b38e5ed429ef0333d6a0f2a7d97e7cfc25d0fbc079404d92b3412cb6a35802f |
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 | 2MrL6ea8Gd6IGgXC/T1v21ktfGjwQ2Aq6dcbPe349FD2G9lVI9FN3iy9R4f9XNJua+l25dkYr3vk76x1SLVlCA== |
| 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
| 2026-09-17T10:57:35.935101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052073observed be2d020c5f4b5b6dc8f62a9eeab203de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:35.917169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052073/manifest.jsonobserved 9b38e5ed429ef0333d6a0f2a7d97e7cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:35.896426Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052073/publication.mdobserved 698503717f0f8962ad5eea76ea4c41b2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:35.877768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052073/publication.txtobserved 9d72fa11cb47640e23adaf1d72c0b1ef...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. |
|---|