OT-2026-000055307
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, supply line 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-2026-000055307) never changes.
Identity and time
| Publication number | OT-2026-000055307 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a100-733e-b8a1-87867a531525 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:53.783868Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055307 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5a5627b0aac99ad5cfd9b286365b71985ad69a9a34b3345d7b0fb07d130f7b17 |
|---|---|
| Markdown | b951fbc5e60a023fafc9782391e6c982b2df057200e4dc279ed48e5cc8ee1b20 |
| Publication page | a194b4fb47d7e271ed60a3a8ff6c368eb4ca1b6b822e3fb5a455396aa6736546 |
| Manifest | bc6e3fd751688c9b6b8cdd6e37c07667410a1bff28d0f0386f9d701c404de885 |
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 | h4TtZe7yvgbQhhScm72rSjzLSBq26dbrH1QjzUVnnt/xA4Aag8Se6tJxyInXavbOh68/PaD4YauSwz7WWkr8AA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:51:55.250111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055307observed a194b4fb47d7e271ed60a3a8ff6c368e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:55.229941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055307/manifest.jsonobserved bc6e3fd751688c9b6b8cdd6e37c07667...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:54.758644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055307/publication.mdobserved b951fbc5e60a023fafc9782391e6c982...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:54.739842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055307/publication.txtobserved 5a5627b0aac99ad5cfd9b286365b7198...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. |
|---|