OT-2026-000077992
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum 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-2026-000077992) never changes.
Identity and time
| Publication number | OT-2026-000077992 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ed1-7411-9732-c19fc7e5fb27 · 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-2026-000077992 |
| Status | PUBLIC |
Content hashes
| Canonical text | 48d0abe12ccdfb756c1fe863a897c5f90bbb1c58ba7cd45b39257fc8f7af57d5 |
|---|---|
| Markdown | 4ba14030b4bc56ab013ef6d2937c4b20be135f5ef69822e6ce77a91b0470fa6b |
| Publication page | ae1143c8b855fcbbae75036038a6da29c2bee194f4e988a5567fe81e5197af2f |
| Manifest | 789ee83e117220c63282fa1f567ac2126623693654f76ce3d8c3a1969f0e302c |
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 | fOdDjTp0c9NZF3lRGPzzsR7E5V35D6AXPvDMHVtonbmpRGsPJgEJ/F4/UpXQngq/C8B6uR1K9AaEcRxZ0eQkBQ== |
| 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
| 2026-09-17T10:07:00.076534Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077992observed ae1143c8b855fcbbae75036038a6da29...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:07:00.057633Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077992/manifest.jsonobserved 789ee83e117220c63282fa1f567ac212...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:07:00.037533Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077992/publication.mdobserved 4ba14030b4bc56ab013ef6d2937c4b20...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:07:00.016556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077992/publication.txtobserved 48d0abe12ccdfb756c1fe863a897c5f9...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. |
|---|