OT-2026-000081031
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, sustained 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-2026-000081031) never changes.
Identity and time
| Publication number | OT-2026-000081031 · never reused |
|---|---|
| Internal UUID | 01a0ae96-b976-7e90-9e99-b5bb069e409c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:28.739380Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000081031 |
| Status | PUBLIC |
Content hashes
| Canonical text | 61fa05e077692f2e55c320ae5dbf803d55dbee3a145c8e8aa259724b46404d1e |
|---|---|
| Markdown | a2e0ab13068f522e2001ca651cc2d252bd8adce898c9a595a15938655c308d10 |
| Publication page | 7a1fc5d1551145bde72ed6edb09ee8ea9f57c3f512c704e5594477a00985bb9f |
| Manifest | 3960064116299abe9492451bd6f40daf7a60de8b1aaab64033079294f21eec20 |
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 | vlHu386qA76OWq5X4DFG6UFbIKefeHK6fxp6BhBWTik4KlLbwcLVwjVqsvMh+V+ZNw3aE1IcEqCuvCG+lsa5BQ== |
| 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
| 2026-09-17T10:02:19.286414Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081031observed 7a1fc5d1551145bde72ed6edb09ee8ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:02:19.269911Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081031/manifest.jsonobserved 3960064116299abe9492451bd6f40daf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:02:19.253011Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081031/publication.mdobserved a2e0ab13068f522e2001ca651cc2d252...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:02:19.236237Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081031/publication.txtobserved 61fa05e077692f2e55c320ae5dbf803d...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. |
|---|