OT-2026-000021647
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000021647) never changes.
Identity and time
| Publication number | OT-2026-000021647 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7441-a35e-9e60cc6acb91 · 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-2026-000021647 |
| Status | PUBLIC |
Content hashes
| Canonical text | 62a66db3e645d4f9b227c33e783de4ba5697d7a6153a96792e52cf316166e71a |
|---|---|
| Markdown | 1190feae154b2e073e444b672963a0f6fea56696a24768854227456d429995e4 |
| Publication page | a8a3472454f5d51f537355d4b2b7cf931f7ad0fbaf14bdc85fd88240da8fee28 |
| Manifest | 42f41957346f22abdec770118d9ef0672bb40e21237a42f7954971efdc948d9a |
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 | j0QcOhoilT/8zyG2UkxiRtKtVW+Sx/7PIsZ6NtNB8ltX+eMPRd6G+35KhOWteTxRW0NNS4kYWlSbjEmZdHVkBQ== |
| 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
| 2026-09-17T11:54:10.991410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021647observed a8a3472454f5d51f537355d4b2b7cf93...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:10.973546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021647/manifest.jsonobserved 42f41957346f22abdec770118d9ef067...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:10.956184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021647/publication.mdobserved 1190feae154b2e073e444b672963a0f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:10.938939Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021647/publication.txtobserved 62a66db3e645d4f9b227c33e783de4ba...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. |
|---|