OT-2026-000021491
Publication integrity record
Foam pad 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-2026-000021491) never changes.
Identity and time
| Publication number | OT-2026-000021491 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-77cf-b81b-6d8d1f8ada22 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021491 |
| Status | PUBLIC |
Content hashes
| Canonical text | 625f0643a3a472f9ef8b24d231ec0264ca7afab5759dce0abb93cfa5275d0961 |
|---|---|
| Markdown | 5821b14d6d1052d1fbe312a67e4f508661f54e3e1b45469fc1783bcc0eeb4c39 |
| Publication page | c4f6ed9814f58c7143dffff55f26990f12e05651ecb97c2f3756de66204407fe |
| Manifest | 4a50d3fb15f13d8caf6ea3e38773448f5754a2fd22732c89407dc9df2127cbbc |
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 | 4+MpWdhsdyMYNMSd/hF4DivloVv0GQ5AmuntilXM+7Pynr4d17gWI0nVljigvlPIMe00o3ueG8rvPFZZqJHUAg== |
| 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
| 2026-09-17T11:55:24.316759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021491observed c4f6ed9814f58c7143dffff55f26990f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:24.299444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021491/manifest.jsonobserved 4a50d3fb15f13d8caf6ea3e38773448f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:24.282011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021491/publication.mdobserved 5821b14d6d1052d1fbe312a67e4f5086...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:24.264312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021491/publication.txtobserved 625f0643a3a472f9ef8b24d231ec0264...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. |
|---|