OT-2026-000021455
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed blow-off 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-2026-000021455) never changes.
Identity and time
| Publication number | OT-2026-000021455 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-75e7-9a59-6cd728018514 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021455 |
| Status | PUBLIC |
Content hashes
| Canonical text | 64be32a88dd7512c9b34f6f7432f301482e2e249f511039068f6b435b8eee774 |
|---|---|
| Markdown | 1d8c04d9e0d90483a26dd7256c2909050ee95559716d4da04d43feb9cdd9ace4 |
| Publication page | 9e9d23dda4261c1be30d0453331fefbc765d6e59efdba89071e785248308d8d0 |
| Manifest | a4eaf0c1183f4e9b88366af9bebf560dbf78fbc3376ba29b606fc18b570072aa |
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 | a6DXJ9eHgTm3gsHZL+I6cW4BKGr7ubVuvXIcmRlsiiqVbOifRyiYTjdD65W7/WiP/tzrF/cBnCKgHliQnXvfDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:55:20.750368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021455observed 9e9d23dda4261c1be30d0453331fefbc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:20.606709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021455/manifest.jsonobserved a4eaf0c1183f4e9b88366af9bebf560d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:20.586457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021455/publication.mdobserved 1d8c04d9e0d90483a26dd7256c290905...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:20.566315Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021455/publication.txtobserved 64be32a88dd7512c9b34f6f7432f3014...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. |
|---|