OT-2026-000005472
Publication integrity record
Vacuum cup gripper, four zone face, pump fed, pressure verified at each zone
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-2026-000005472) never changes.
Identity and time
| Publication number | OT-2026-000005472 · never reused |
|---|---|
| Internal UUID | 01a0a93a-165e-7759-9f93-1da139149e77 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:59:11.457064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005472 |
| Status | PUBLIC |
Content hashes
| Canonical text | ab928d08903f5d1dba665d0224fce615b2ea1f14ef8e09badee2522330d0b4cb |
|---|---|
| Markdown | e5b7cce74175f9c9f5a62ca3933af2a04113c1fefc7673ea9495ebe2bb71a043 |
| Publication page | d5cb13ab894375a38721e20b22c880b3f38d8fc379ca6b0f13aa8c6cfa3a9cdd |
| Manifest | 01f7bf6742f42195d313da092d9e8f618c3f7d2e8f448cfe9a3403bf512670c9 |
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 | HeFtem6FF7UXf4I1PdwA4VDa4BsrF9TvRscw/DVU6ig24l6e0DJtlZ5cGrXhrQkYFkCyCWL2zGdmK+FtHoIQDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:05.397841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005472observed d5cb13ab894375a38721e20b22c880b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:05.382985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005472/manifest.jsonobserved 01f7bf6742f42195d313da092d9e8f61...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:05.244552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005472/publication.mdobserved e5b7cce74175f9c9f5a62ca3933af2a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:05.223622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005472/publication.txtobserved ab928d08903f5d1dba665d0224fce615...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. |
|---|