OT-2026-000048631
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000048631) never changes.
Identity and time
| Publication number | OT-2026-000048631 · never reused |
|---|---|
| Internal UUID | 01a0ae80-4de8-7b19-8d54-883309d81f9c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:59.290761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048631 |
| Status | PUBLIC |
Content hashes
| Canonical text | e8743aca917fed5553cb5a3fc7247759d79b86ccfc1e4365f37002bd21038a02 |
|---|---|
| Markdown | 8c7271db9e3d14a6441f8683f4f41f1fe7ddbb909ccb8c8e16223ba46b2f7d12 |
| Publication page | c473522c1ef60435e8281cd9a197b31091fc2a36651d4df4a860b15626c85ff1 |
| Manifest | 0ba6239ec96a4946d418e25155de2acfa04e368b21f1e97a8a5ea9cc812294f6 |
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 | AAqgzLMqbi8BKy6tB9a9sn4hbcd3NAdnBfeAP0J+6aj6PMcut2SF/MPU5MpTcsbF12X/cxjas3UetAC6JXK8Cw== |
| 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
| 2026-09-17T11:05:27.256305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048631observed c473522c1ef60435e8281cd9a197b310...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:05:27.234940Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048631/manifest.jsonobserved 0ba6239ec96a4946d418e25155de2acf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:05:27.214600Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048631/publication.mdobserved 8c7271db9e3d14a6441f8683f4f41f1f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:05:27.193462Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048631/publication.txtobserved e8743aca917fed5553cb5a3fc7247759...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. |
|---|