OT-2026-000021911
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000021911) never changes.
Identity and time
| Publication number | OT-2026-000021911 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7fbd-ac6b-8ea19186f51c · 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-2026-000021911 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3b3c55e700849c332a3aaca931f2da9f6c6961607eada3158b4b73a04387d665 |
|---|---|
| Markdown | 5c2886c5a5869d1fef38babf923b78a028b8a1e968066e718f2085ea8a4a059d |
| Publication page | c079a0c871e8e7c53196ed7df42961510d9ba4efff894f907ff759a33c9c3699 |
| Manifest | 4e3d63f1906093206f7605b613911579d31da954906cb4a659887e247c28e830 |
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 | J+URuBQJQ4Z1AUk5eXs8ZJoN3pJaveT3afR+ur0husGCymKAGwYjWcnXcU+wQVMrLMMQhyhRvc+KBuqzHJMvDA== |
| 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
| 2026-09-17T11:54:28.966627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021911observed c079a0c871e8e7c53196ed7df4296151...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:28.941752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021911/manifest.jsonobserved 4e3d63f1906093206f7605b613911579...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:28.917187Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021911/publication.mdobserved 5c2886c5a5869d1fef38babf923b78a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:28.892831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021911/publication.txtobserved 3b3c55e700849c332a3aaca931f2da9f...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. |
|---|