OT-2026-000021888
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000021888) never changes.
Identity and time
| Publication number | OT-2026-000021888 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7740-b01f-d40835260938 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021888 |
| Status | PUBLIC |
Content hashes
| Canonical text | 45172d4c8035a833bd65dabb0ab14419b628771aaddbf30837c5e73ec08f5075 |
|---|---|
| Markdown | 080d2e98896524e83a465c9d5b155434e0e242b91598be727e54d56533739570 |
| Publication page | 064bd339fd7b4f46692d986199a13fe49d13462c00f7e24594dc56ec9392d265 |
| Manifest | b62a03b5860b0a98c957a1c5600c37c77c0251786aa35b5958506a4c5c5c8e91 |
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 | KzeMohZFzx+wsE0N4JtNLjkR6FL6F8kHr/b34ylqn+HA9mgHkBNdpcnahfL0i4R4rW15v/9IMQrgkT+KjGQEAQ== |
| 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
| 2026-09-17T11:54:27.277221Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021888observed 064bd339fd7b4f46692d986199a13fe4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:27.260405Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021888/manifest.jsonobserved b62a03b5860b0a98c957a1c5600c37c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:27.244105Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021888/publication.mdobserved 080d2e98896524e83a465c9d5b155434...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:27.225928Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021888/publication.txtobserved 45172d4c8035a833bd65dabb0ab14419...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. |
|---|