OT-2026-000077542
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000077542) never changes.
Identity and time
| Publication number | OT-2026-000077542 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ece-7b4a-b1de-1971ba8d5eaa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077542 |
| Status | PUBLIC |
Content hashes
| Canonical text | d7669f1c91c3cec5309885a725d7fee71d577d5a3bbae83aaf798eec6abbe4ab |
|---|---|
| Markdown | 504a5f52daa9c36a5625dccc7918bdb1fe7b105d0ee0de49c66a4368f172bfc2 |
| Publication page | 531a2eb9b9fd6a82a4485b9d7ab1646cfd2b10ced4fdfbefb518ec71e9295ead |
| Manifest | 969055eb879d622525104201b21410934605d559808484768533343fcb2b1d09 |
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 | I1xgtjqAD81qO8679Xq7XQvgEAFhaYsef2nWva9pQ5u/rlrD8LJhMqO8vOIhSi/WafUS15SgPTe2gRr3odPOBA== |
| 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
| 2026-09-17T10:07:01.006564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077542observed 531a2eb9b9fd6a82a4485b9d7ab1646c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:07:00.989408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077542/manifest.jsonobserved 969055eb879d622525104201b2141093...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:07:00.971398Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077542/publication.mdobserved 504a5f52daa9c36a5625dccc7918bdb1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:07:00.951992Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077542/publication.txtobserved d7669f1c91c3cec5309885a725d7fee7...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. |
|---|