OT-2026-000012638
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed blow-off before set-down
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-2026-000012638) never changes.
Identity and time
| Publication number | OT-2026-000012638 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-5561-7f5c-b154-45d2ec802d09 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:16.019734Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012638 |
| Status | PUBLIC |
Content hashes
| Canonical text | 498ababb93c75485fa1da3399b1b4bf0c440ddb680ac254b870497de0d9476fd |
|---|---|
| Markdown | 056c0cb815b78425065e644d4450d0c6216f3cf41f23845cff0f8407f551e1c8 |
| Publication page | 22000acd2d812fd90f56be430d89a39e966537898fecbdf1977dd6bc25661c96 |
| Manifest | 0a67cb55dc9c4e743a784dbd173ce1c67cfd2f1a4187a78c90f65c910a49e0a7 |
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 | TN/yq0plrHUGt1O09JmcNc7WaXBACvb1mIuaLf6JbDBDbTk4Q5JvXFAezTe/SWTdGdEYz+mhB4Ax/NnwiA9GBg== |
| 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
| 2026-10-26T16:41:59.543447Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012638observed 22000acd2d812fd90f56be430d89a39e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T16:41:59.491445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012638/manifest.jsonobserved 0a67cb55dc9c4e743a784dbd173ce1c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T16:41:59.436180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012638/publication.mdobserved 056c0cb815b78425065e644d4450d0c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T16:41:59.338837Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012638/publication.txtobserved 498ababb93c75485fa1da3399b1b4bf0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:41:09.927163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012638observed 22000acd2d812fd90f56be430d89a39e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:41:09.853786Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012638/manifest.jsonobserved 0a67cb55dc9c4e743a784dbd173ce1c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:41:09.744312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012638/publication.mdobserved 056c0cb815b78425065e644d4450d0c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T04:41:09.617505Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012638/publication.txtobserved 498ababb93c75485fa1da3399b1b4bf0...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|