OT-2026-000081928
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000081928) never changes.
Identity and time
| Publication number | OT-2026-000081928 · never reused |
|---|---|
| Internal UUID | 01a0ae97-0f76-7226-aff6-377e17d8a27f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:50.648824Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000081928 |
| Status | PUBLIC |
Content hashes
| Canonical text | 20d91f99b11d06f8aa4abc902489f47689eff0049c0e3a74a111645cbd93764f |
|---|---|
| Markdown | dbc248d318967f61307dfbb4a4bae6e7fa0aa3c2f982442380baa7a813551a90 |
| Publication page | e4ebb90417b214d62516be738fabc12ca81c72cae46210c248372de7ad257a4c |
| Manifest | cbb5488140cc2894150d9b6c3a4b0c47d5c3a83463456bb4f7405a27e2bb1ff7 |
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 | zgV78Irl/cbpnVGKe2n4YXvrVO6JVwem8AXLU+r4w3tfioOhx97Wbwcxbj/W0d94WB0i6Me18RzLzIqwcc30BQ== |
| 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
| 2026-09-17T10:01:03.515352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081928observed e4ebb90417b214d62516be738fabc12c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:01:03.498286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081928/manifest.jsonobserved cbb5488140cc2894150d9b6c3a4b0c47...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:01:03.480637Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081928/publication.mdobserved dbc248d318967f61307dfbb4a4bae6e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:01:03.463821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081928/publication.txtobserved 20d91f99b11d06f8aa4abc902489f476...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. |
|---|