OT-2026-000028174
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000028174) never changes.
Identity and time
| Publication number | OT-2026-000028174 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7557-aa75-580cb939d525 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028174 |
| Status | PUBLIC |
Content hashes
| Canonical text | 65589a8fcfe6aca461a00e1f7253b2a537499fd76e815d0036a886ff0362e89f |
|---|---|
| Markdown | 0215930f78e152419ff2d0d0f8009e51f8d6d72160a73bb1b1f07dbc8066fb6f |
| Publication page | 067b31792fe84f5a2b4355880071bde8fcb1b30846deb3d3c6cb8925fada574b |
| Manifest | 9c7007b1291e620ecf06e81588e883ae5e306e4b56273e4d583f387b4ad12f4d |
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 | Qy5Lk78Pzq3MzezMwi+5w6HP/3O+LmAL8AaNA4s9ZzS+j2Mf6MlZwHQxe/u2Iq7disKysvRniWRQzJ532DeSDQ== |
| 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
| 2026-09-17T11:42:31.921631Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028174observed 067b31792fe84f5a2b4355880071bde8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:31.902980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028174/manifest.jsonobserved 9c7007b1291e620ecf06e81588e883ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:31.885371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028174/publication.mdobserved 0215930f78e152419ff2d0d0f8009e51...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:31.869187Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028174/publication.txtobserved 65589a8fcfe6aca461a00e1f7253b2a5...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. |
|---|