OT-2026-000091091
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000091091) never changes.
Identity and time
| Publication number | OT-2026-000091091 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c012-7127-9853-e568f25f80cf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091091 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3af4170fd8e4b882a18869db792c9457182afe02a5711606b9f731d46bdcb20a |
|---|---|
| Markdown | 858bcedb76620bb48c79d7412de505aa1a294b2c719c8a07749e1fee0b579dd8 |
| Publication page | d512ed61f190a6c7473b368ab9e5fb98cc45f560d9b16e3b581a6afca9c94a8b |
| Manifest | 8be84b168e73017c0ba2e61744229ec14a2b0ddd16e0e9518d2ad9ceea3d3917 |
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 | n2sAqhgccayy4uHRq7kbYllDb/HH8I8MZjsBHuWjZGwki2KGRabhJvFOm5UAuOhJ+6aDfx85uPbkiqVEjHDIBg== |
| 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
| 2026-09-17T09:44:20.327166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091091observed d512ed61f190a6c7473b368ab9e5fb98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:20.309181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091091/manifest.jsonobserved 8be84b168e73017c0ba2e61744229ec1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:20.292442Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091091/publication.mdobserved 858bcedb76620bb48c79d7412de505aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:20.276542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091091/publication.txtobserved 3af4170fd8e4b882a18869db792c9457...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. |
|---|