OT-2026-000005257
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, pump fed, contact triggered
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-2026-000005257) never changes.
Identity and time
| Publication number | OT-2026-000005257 · never reused |
|---|---|
| Internal UUID | 01a0a933-02bd-7cbf-9ae1-26a24468c40e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:51:27.680034Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005257 |
| Status | PUBLIC |
Content hashes
| Canonical text | 80222a332d311acf45b7f099ce6e35d2e72064ef96f3b3aedb4068ba7ba919cf |
|---|---|
| Markdown | 2d69adbc0d1b95781e560dcbed0c277aced7ac655162ba4d426a7d2baabb96ad |
| Publication page | df1327bd0d1dd697335a8eec6f05435808ea13d2ad52f65b7e01de6774a7b8a9 |
| Manifest | 737243aeca594b9fe1178ac59026b8bcf0374875db7bd23c9119ccadafefe49f |
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 | dmjmFIg8ZBAU6l+BLuax4LQS2YxVHdoTQxwrNr2Di7rvDXUoxcd7y/TKXaT93N/3yUmIc+PMGVMemanopHkXAw== |
| 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
| 2026-09-16T08:44:22.168020Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005257observed df1327bd0d1dd697335a8eec6f054358...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:44:21.992075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005257/manifest.jsonobserved 737243aeca594b9fe1178ac59026b8bc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:44:21.642484Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005257/publication.mdobserved 2d69adbc0d1b95781e560dcbed0c277a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:44:21.401431Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005257/publication.txtobserved 80222a332d311acf45b7f099ce6e35d2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:29.922986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005257observed df1327bd0d1dd697335a8eec6f054358...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:29.909923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005257/manifest.jsonobserved 737243aeca594b9fe1178ac59026b8bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:29.896944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005257/publication.mdobserved 2d69adbc0d1b95781e560dcbed0c277a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:29.883673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005257/publication.txtobserved 80222a332d311acf45b7f099ce6e35d2...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. |
|---|