OT-2026-000054272
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000054272) never changes.
Identity and time
| Publication number | OT-2026-000054272 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a9-7fc4-a6ed-1d0e2e55474c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:53.019909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054272 |
| Status | PUBLIC |
Content hashes
| Canonical text | f8de5f33ccfaca94c416d619f7afe5a00084b41a6dd9a111886d7599f32439cf |
|---|---|
| Markdown | 1a3bc2600db069d1cde43f1bd397a302f1c255fe52eb62bad66c0e720b061608 |
| Publication page | 0e401cb74a9df580ac28ff23c28687f1fe990ccf9efb8be69cd88abc30d8a57d |
| Manifest | a6a1be26209cf3867e57f8c388c04d69dc6fa1a563a556c67bb502c32136f872 |
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 | HeQJNeCFiILf/mT0b3Z3HLL44eafUBJ24rdudGstFpf3dgtXBc5GvHa4vqPv4BuzvHJwqPLAEZVyMyYjsF2gDA== |
| 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
| 2026-09-17T10:54:45.915823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054272observed 0e401cb74a9df580ac28ff23c28687f1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:54:45.897337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054272/manifest.jsonobserved a6a1be26209cf3867e57f8c388c04d69...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:45.879182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054272/publication.mdobserved 1a3bc2600db069d1cde43f1bd397a302...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:45.859589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054272/publication.txtobserved f8de5f33ccfaca94c416d619f7afe5a0...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. |
|---|