OT-2026-000005531
Publication integrity record
Vacuum cup gripper, common isolation valve, plant vacuum fed, pressure verified, contact triggered, rubber cups
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-2026-000005531) never changes.
Identity and time
| Publication number | OT-2026-000005531 · never reused |
|---|---|
| Internal UUID | 01a0a93c-27c6-7076-a413-fbe32d1f84eb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:01:26.985679Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005531 |
| Status | PUBLIC |
Content hashes
| Canonical text | ce2afb6d0229295cd987f0752f5a06b12e59a7481d44c5416839c625d47060a3 |
|---|---|
| Markdown | 1306cde509b21a07baed58e3b587ec625829759f413fef9a05d7a5c6586c73a2 |
| Publication page | 768e0584f0e5b8a0d0f5f75581533f402e8a74c0cc148c29e27206c87e7f316d |
| Manifest | c52648ec2f58428881df5f223013388abff7579658e7112d27cc96cf6e4bdd70 |
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 | fi0cawHMLfMeotkVQuOnlFIN5AfVBaDan1NwDaFaSsm3MN51MbRAMAOx8cPkcUwrey+lZ24QrO3MTv8lEfZGBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:10:29.917102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005531observed 768e0584f0e5b8a0d0f5f75581533f40...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:10:29.903277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005531/manifest.jsonobserved c52648ec2f58428881df5f223013388a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:29.889087Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005531/publication.mdobserved 1306cde509b21a07baed58e3b587ec62...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:29.875032Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005531/publication.txtobserved ce2afb6d0229295cd987f0752f5a06b1...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. |
|---|