OT-2026-000005784
Publication integrity record
Vacuum cup gripper, two zone face, pump fed, pressure verified, contact triggered, silicone 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-2026-000005784) never changes.
Identity and time
| Publication number | OT-2026-000005784 · never reused |
|---|---|
| Internal UUID | 01a0a944-c784-7e17-8529-18ad7c0b695b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:10:52.166929Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005784 |
| Status | PUBLIC |
Content hashes
| Canonical text | c423b0428f3b89bcf752c0e9e8d62416386b46bcfed4b836702d2efe2f6c9b52 |
|---|---|
| Markdown | c2c56393a2a169a27fc5cece0ed99dd40fd24e4cb0cd294126e696c63f0c5c81 |
| Publication page | 0557f265d255a705fc3800a9090ecfb8e32cc1945d5fbbc425123926af20e915 |
| Manifest | 853284061bdaee7e2c1439eb4cfc42fa2e356997c8d1343c96175849c79e7081 |
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 | ii8ZHip64KgoQPvu/Kvak6F/S+1+ZsVecRUdaQhORMOXvYHUuezfKeNy+OJZMGM7NsD95loXY247Yy7VxEIgBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-09-16T08:20:33.231478Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005784observed 0557f265d255a705fc3800a9090ecfb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:20:33.218415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005784/manifest.jsonobserved 853284061bdaee7e2c1439eb4cfc42fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:33.205157Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005784/publication.mdobserved c2c56393a2a169a27fc5cece0ed99dd4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:33.191531Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005784/publication.txtobserved c423b0428f3b89bcf752c0e9e8d62416...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. |
|---|