OT-2026-000052050
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, pump fed, 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-2026-000052050) never changes.
Identity and time
| Publication number | OT-2026-000052050 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e78e-7363-90a1-1f77612503ec · 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-2026-000052050 |
| Status | PUBLIC |
Content hashes
| Canonical text | 84cae5152364993171d244f8cc7e368d3de1adb1cbafb604477a71f8258a3b6e |
|---|---|
| Markdown | b637e7b5dd8297b65f33f431b30e072272aab593a4ad33ec4a9ea91827d8b076 |
| Publication page | a8177aef298a34214bfbc993e56b00725150e0c6b459bed475b3177dad71f894 |
| Manifest | 875f3ade2d03fa2034d14183499812108d63a0125e92f4f7978fe64134e46d02 |
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 | d8kwgp2/1tZPBcwzI/G8Xr57+SDol7FMxcDu7LZdmY0VCnQWG9ZEIIuOu46JP0pvkE7y+ex9qOMGv7jWqpf8Cw== |
| 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
| 2026-09-17T10:57:34.133601Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052050observed a8177aef298a34214bfbc993e56b0072...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:34.114320Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052050/manifest.jsonobserved 875f3ade2d03fa2034d1418349981210...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:34.095424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052050/publication.mdobserved b637e7b5dd8297b65f33f431b30e0722...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:34.078553Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052050/publication.txtobserved 84cae5152364993171d244f8cc7e368d...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. |
|---|