OT-2026-000005449
Publication integrity record
Vacuum cup gripper, two zone face, pump fed, pressure verified, contact triggered on the face
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-2026-000005449) never changes.
Identity and time
| Publication number | OT-2026-000005449 · never reused |
|---|---|
| Internal UUID | 01a0a939-5de6-7d91-abff-c14bc4b935a7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:58:24.233692Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005449 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5962e3838f6b8d81f5c671863836d724cfc34c934c5613635034eb1eb49726d9 |
|---|---|
| Markdown | 83a44e1e2f8b8469cc13a563aab56c188c60fb4e64a702ce5fd3989c559a2692 |
| Publication page | af7cef64e72a93e45e6f049320784db527c099f2d97851316ac311b00911f5d4 |
| Manifest | 7cd6c13ba4165e7ec3b1abf8fb7f88d99ea9419e1f123b11633b889bf5be4d2c |
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 | tCFna+LHgwPea3RVkuZ6sBPjVAPr/PO0Cmfj1jS2CPv+6c5yAQwzjBAw4vqePW/HtnSPSjghCfq3OWi5ScG1Ag== |
| 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
| 2026-09-16T08:00:08.204050Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005449observed af7cef64e72a93e45e6f049320784db5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:08.189591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005449/manifest.jsonobserved 7cd6c13ba4165e7ec3b1abf8fb7f88d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:08.173522Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005449/publication.mdobserved 83a44e1e2f8b8469cc13a563aab56c18...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:08.159541Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005449/publication.txtobserved 5962e3838f6b8d81f5c671863836d724...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. |
|---|