OT-2026-000020781
Publication integrity record
Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000020781) never changes.
Identity and time
| Publication number | OT-2026-000020781 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-70d4-962b-016907c10e13 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020781 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1bfad12797610dd2650931fcdfb05cef00d0540b91c52c6cb9b18ed289cb8001 |
|---|---|
| Markdown | b4c4ce344034fc833feec9084dc40d5cda1da582cee5350915380caba6b2732e |
| Publication page | cf8e874a81e34247507e42b16604c44a52fa4edf385a1a333e209e6ebf448769 |
| Manifest | 5afca5eb15ab26aaa67f60e8e8e21d33013b16603009ec75a4f447a68a475574 |
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 | plzlFRR7z1SueYdg3A3L1CnGbYUzk2MqehrWjMc9oduvEj8xG7OCObX6CpBHoi8xONPO2GCA+GmstmINGPpXDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:55:51.610332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020781observed cf8e874a81e34247507e42b16604c44a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:51.593368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020781/manifest.jsonobserved 5afca5eb15ab26aaa67f60e8e8e21d33...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:51.575772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020781/publication.mdobserved b4c4ce344034fc833feec9084dc40d5c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:51.559851Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020781/publication.txtobserved 1bfad12797610dd2650931fcdfb05cef...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. |
|---|