OT-2026-000042750
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000042750) never changes.
Identity and time
| Publication number | OT-2026-000042750 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cf-729c-ad33-0a285f9f3502 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042750 |
| Status | PUBLIC |
Content hashes
| Canonical text | 91d04a3cf8ae584817231f0ed2e33623482020f1a3ed7a22fd9f4ae6228e1a57 |
|---|---|
| Markdown | 70a8705c9e257af2f1c72bdd930f8918a0cbff28c28ebc22a19e1777f975b600 |
| Publication page | 731148f9517a4b85eb497e78b21e6b80587299fca50a39823c6abddf50a9144e |
| Manifest | 957dd7997d89637b24d9357e89403f3ee669e226c5ba42970519d966a2de7adf |
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 | 0RZdCipvOKkMEAbPpFgBV8fWXWwL5HFbRNps3qEbAGnqOVtMZ6LHKZ7o6ugwf835rQLf62yoN36tthy/WNkcDQ== |
| 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
| 2026-09-17T11:15:12.074480Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042750observed 731148f9517a4b85eb497e78b21e6b80...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:12.055232Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042750/manifest.jsonobserved 957dd7997d89637b24d9357e89403f3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:12.034218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042750/publication.mdobserved 70a8705c9e257af2f1c72bdd930f8918...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:12.014412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042750/publication.txtobserved 91d04a3cf8ae584817231f0ed2e33623...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. |
|---|