OT-2026-000005401
Publication integrity record
Vacuum cup gripper, three zone face, pump fed, pressure verified, vented after 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-2026-000005401) never changes.
Identity and time
| Publication number | OT-2026-000005401 · never reused |
|---|---|
| Internal UUID | 01a0a937-dbdb-7e59-a7dd-5306f531067a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:56:45.405963Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005401 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7b3f5819cf4a7bd9c23ce9307ae558ce68c28a2a965d3ab31c7308c7d3a4afb8 |
|---|---|
| Markdown | 74fa4bf775af82e4b4541e1be5e307e9de101cf11af904933ea655d687818031 |
| Publication page | 29145fe18d30f972c743c0800e834ec84a51c942917d3fd9ad3d58ef8a9b31be |
| Manifest | e409608e8fbbdc6167ae94dffddd5c3155d8753a09fd78441bb2d6e916d41df9 |
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 | Es2/bij0QnK5YxjdVsnlqX2bBL0kLFe3SkbY7QbfVKBvw1bGCPN+QhcSGxs9TypsBkymkWMAcsNiaEBqAM5fCA== |
| 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
| 2026-09-16T08:00:13.742215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005401observed 29145fe18d30f972c743c0800e834ec8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:13.725451Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005401/manifest.jsonobserved e409608e8fbbdc6167ae94dffddd5c31...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:13.710824Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005401/publication.mdobserved 74fa4bf775af82e4b4541e1be5e307e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:13.698260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005401/publication.txtobserved 7b3f5819cf4a7bd9c23ce9307ae558ce...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. |
|---|