OT-2026-000052972
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000052972) never changes.
Identity and time
| Publication number | OT-2026-000052972 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a430-7bd5-a83d-4192d8084556 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052972 |
| Status | PUBLIC |
Content hashes
| Canonical text | 32fc3d3901c23893188542c6c83d8c1178399785ed34e16b16d84f1032506f9d |
|---|---|
| Markdown | f7d66499831e7b33d6447b31da25c0313e0e1dd4ff15e09bf63d6e176d432552 |
| Publication page | e57614416147a2bf631701c8a3a1e9ff066d796a496fdbfb498f31d34138960d |
| Manifest | a8b1b7450b760e25a74caa69993090fdc6c3eb96dde64ff35a95b591bc37ee25 |
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 | q4GOTpgT9ePfD2EAKzLm4hbQdS9/FcAK4aVjnEHPmXsEI5NMvrVpSBOsgTZU1HoZVkhJ3aX/XouKhEjitN+uDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:56:39.524175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052972observed e57614416147a2bf631701c8a3a1e9ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:39.506889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052972/manifest.jsonobserved a8b1b7450b760e25a74caa69993090fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:39.489291Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052972/publication.mdobserved f7d66499831e7b33d6447b31da25c031...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:39.472028Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052972/publication.txtobserved 32fc3d3901c23893188542c6c83d8c11...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. |
|---|