OT-2026-000078954
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, vented after 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-2026-000078954) never changes.
Identity and time
| Publication number | OT-2026-000078954 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbe-7b24-91c9-f27594905190 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:28.017032Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078954 |
| Status | PUBLIC |
Content hashes
| Canonical text | 82d559bf8e65225c8f2994957a0479a7103c530fa5a20ed6bdb2fe416dbde277 |
|---|---|
| Markdown | bfa53a57c8429b570506b1dba15e9b00100dbc404b22a1aff36baee167a41845 |
| Publication page | e5a3de87b0dcd78f94cc8b61b93dfff5183dd6beb7c0a2ad754914879a467107 |
| Manifest | feaf231d7bc68c0854a55077c4b9c54373b766fc47b1665438f03553c00633e2 |
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 | orMeRGHB8kYgqOnAdRJ6H3sMFjQVM5RAA3qv4umVJbaY7JMpI/wHJGdjQz9i79VTvEwAj9h3b6o6N4VVSJapDw== |
| 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
| 2026-09-17T10:05:46.741171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078954observed e5a3de87b0dcd78f94cc8b61b93dfff5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:46.723342Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078954/manifest.jsonobserved feaf231d7bc68c0854a55077c4b9c543...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:46.706035Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078954/publication.mdobserved bfa53a57c8429b570506b1dba15e9b00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:46.687834Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078954/publication.txtobserved 82d559bf8e65225c8f2994957a0479a7...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. |
|---|