OT-2026-000003607
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, two outlet manifold, 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-2026-000003607) never changes.
Identity and time
| Publication number | OT-2026-000003607 · never reused |
|---|---|
| Internal UUID | 01a0a90a-8444-7b62-9464-66db9cb074dd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:13.864642Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003607 |
| Status | PUBLIC |
Content hashes
| Canonical text | be8d1cefe73cdf99e197a3293b4f996813b1c0ffeede1a8b2e29d390f4ddf0b3 |
|---|---|
| Markdown | 1211b94d40f1501d5532d9765b5b0f2d76f96463662d35bccf5265a66ff09931 |
| Publication page | 2a4730044550538d761beebac978f8670b1b2bee35d641bb45e27d26ce355bc1 |
| Manifest | a5238694eed0dab5df89c91e6da6314fa1601a8c2c69fcccce9ff6378ed0a5af |
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 | Fm7cyVbIUrV1jc1+eu8iXnA5VsKn+gZAAsr+FPFNhiHe+jSAqo0pEoGcQJrtCmFkmRjIc/KV+BrPEutXro6yAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-10-30T20:41:59.318656Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003607observed 2a4730044550538d761beebac978f867...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T20:41:59.273260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003607/manifest.jsonobserved a5238694eed0dab5df89c91e6da6314f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T20:41:59.227950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003607/publication.mdobserved 1211b94d40f1501d5532d9765b5b0f2d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T20:41:59.104869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003607/publication.txtobserved be8d1cefe73cdf99e197a3293b4f9968...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T16:41:41.149119Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003607observed 2a4730044550538d761beebac978f867...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T16:41:41.079156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003607/manifest.jsonobserved a5238694eed0dab5df89c91e6da6314f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T16:41:41.006374Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003607/publication.mdobserved 1211b94d40f1501d5532d9765b5b0f2d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T16:41:40.896602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003607/publication.txtobserved be8d1cefe73cdf99e197a3293b4f9968...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|