OT-2026-000021739
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pulsed blow-off before set-down
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-2026-000021739) never changes.
Identity and time
| Publication number | OT-2026-000021739 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7102-9ce9-b6517e6c1c1f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021739 |
| Status | PUBLIC |
Content hashes
| Canonical text | a45e158f13f708ab7d0f8dea4f42835da843138768189054f8116278f34ef057 |
|---|---|
| Markdown | cb7455d74ceec3a01eabad20816f503c569e0be36db7ca46caa563a3f49c9e5a |
| Publication page | 7c797805038dfc9b976414fb1225973be0010b477f7b9ed892e1ab99962dc7f1 |
| Manifest | a656d79326647e0f291158ac2fa141058d1000acc2ff2f26df36ffc22337dfe2 |
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 | ohpkrWJnXlBpcuAAQbeG+4fkhJ5G0+LxlJxWnrBCtwqdzV24jVMuLI5gggpUw8XMs9tr6hKUEz925s7/ckTrCA== |
| 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
| 2026-09-17T11:54:16.785217Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021739observed 7c797805038dfc9b976414fb1225973b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:16.768194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021739/manifest.jsonobserved a656d79326647e0f291158ac2fa14105...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:16.752329Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021739/publication.mdobserved cb7455d74ceec3a01eabad20816f503c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:16.735306Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021739/publication.txtobserved a45e158f13f708ab7d0f8dea4f42835d...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. |
|---|