OT-2026-000077501
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer
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-2026-000077501) never changes.
Identity and time
| Publication number | OT-2026-000077501 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f50a-71f4-9afe-b6bdd51fc951 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077501 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7263b60992c1e2596de1add5d747b92f4e9f14066f2594cd189b372d605fa950 |
|---|---|
| Markdown | ab060eca5c1410b6f52c4c6b2f534136b26438d8019a55a1eab525d1400cc0a2 |
| Publication page | 0446353145452c66d197e1e3300810135957a478dfacf60d96f5e8128577b83d |
| Manifest | 6f1894f4bcf4e233ffe3f5790af557470d6b83fc2690aac2aa04ea9e9113ab14 |
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 | J+N/s/iotbvLXhA61w/GX6g58AY0+QSkjMKFVV+hlhe7131ASirHMp7woDIQ4BYwM8wAQG7hME6LCT/7/LBsCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:09:11.536953Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077501observed 0446353145452c66d197e1e330081013...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:09:11.518727Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077501/manifest.jsonobserved 6f1894f4bcf4e233ffe3f5790af55747...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:11.499287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077501/publication.mdobserved ab060eca5c1410b6f52c4c6b2f534136...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:11.476869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077501/publication.txtobserved 7263b60992c1e2596de1add5d747b92f...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. |
|---|