OT-2026-000020440
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000020440) never changes.
Identity and time
| Publication number | OT-2026-000020440 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7daa-8c45-5508c501d0df · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020440 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1a2277e21e5af6915eda2af1f02d804e69e34628c77710fe61dca97262197d89 |
|---|---|
| Markdown | 5a81f7f26892cfa2917c81dbccaf004ba044c44ea69875287043e629757d148b |
| Publication page | 400bfeca78c06c6a741f25c562426a53a6f17f35f2fcae4a36fd01f79b7bf66f |
| Manifest | be963953b765f368194095e38a83fc08e304384cf340cec5b4aac177c37c87c3 |
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 | QgyXIB3KEknw/w1xQ3CPnKuT4EiWIAzBUCl6xpEba8K4TXEalKMgVVlD9jSRbltP8uHu3ye/96ocxqTDBHHnCQ== |
| 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
| 2026-09-17T12:00:20.853598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020440observed 400bfeca78c06c6a741f25c562426a53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:20.836248Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020440/manifest.jsonobserved be963953b765f368194095e38a83fc08...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:20.817356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020440/publication.mdobserved 5a81f7f26892cfa2917c81dbccaf004b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:20.797602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020440/publication.txtobserved 1a2277e21e5af6915eda2af1f02d804e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:24.745763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020440observed 400bfeca78c06c6a741f25c562426a53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:24.727923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020440/manifest.jsonobserved be963953b765f368194095e38a83fc08...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:24.710673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020440/publication.mdobserved 5a81f7f26892cfa2917c81dbccaf004b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:24.692881Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020440/publication.txtobserved 1a2277e21e5af6915eda2af1f02d804e...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. |
|---|