OT-2026-000021175
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000021175) never changes.
Identity and time
| Publication number | OT-2026-000021175 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-7486-ad6e-d79e5bf5d5b4 · 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-2026-000021175 |
| Status | PUBLIC |
Content hashes
| Canonical text | 86b630a3963843137e9150d7cd9b8a125a2c56b5c0c890010a4af7759a97b9c9 |
|---|---|
| Markdown | 14fcaa877a10a26cc38c0fd7b5d25e550cdcdbf85d2fe30998e5d115cbd2704f |
| Publication page | a47c48841e1fe26a1b891f5eb05d914cf21b31a95b66600f0c03cc57b559391f |
| Manifest | 654de095687ec57d87497e94c48b55767580e2eff83a307d76f3bafa0ffad239 |
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 | Y0xypz+U4GES/cJFKMxw8iWghmrPgPhNahei/vGmRsuTOEI/e4lumyULreDxZXDwz2s54/BdGeET8++jQyS7Cg== |
| 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
| 2026-09-17T11:54:57.359106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021175observed a47c48841e1fe26a1b891f5eb05d914c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:57.337021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021175/manifest.jsonobserved 654de095687ec57d87497e94c48b5576...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:57.318302Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021175/publication.mdobserved 14fcaa877a10a26cc38c0fd7b5d25e55...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:57.298617Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021175/publication.txtobserved 86b630a3963843137e9150d7cd9b8a12...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. |
|---|