OT-2026-000031146
Publication integrity record
Foam pad vacuum gripper, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000031146) never changes.
Identity and time
| Publication number | OT-2026-000031146 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ab-7585-8fac-030b9afaaa7c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031146 |
| Status | PUBLIC |
Content hashes
| Canonical text | f0db909225eca5f695557f917fcbd71c22f620b148aa375a0cd01b8f8c210700 |
|---|---|
| Markdown | 7034b8a465d310c4f453166c8d5541a61af06b4b66316f43232ead968e38ef52 |
| Publication page | c483d6ccec0f7147aa2694a6a933362750523b230e224a1009008710339741d6 |
| Manifest | b30441dfc7640d63ae7eb0d297e691ff1bf389bdbc959e4c71926cd94b76c715 |
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 | v4XoNgFQMcTFj1XWv7iyopICQFtWZTXwOivPhsql56DtqMb8g4epeGdDEum6qIgp0STP+DiZWHpylHzY87HVBA== |
| 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... |
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Independent retrieval
| 2026-09-17T11:35:35.422417Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031146observed c483d6ccec0f7147aa2694a6a9333627...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:35.401175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031146/manifest.jsonobserved b30441dfc7640d63ae7eb0d297e691ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:35.380119Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031146/publication.mdobserved 7034b8a465d310c4f453166c8d5541a6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:35.363499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031146/publication.txtobserved f0db909225eca5f695557f917fcbd71c...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
| 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 |
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