OT-2026-000055355
Publication integrity record
Two 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-2026-000055355) never changes.
Identity and time
| Publication number | OT-2026-000055355 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a101-718d-aa00-0074681fc91d · 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-2026-000055355 |
| Status | PUBLIC |
Content hashes
| Canonical text | cf6ce2fd20219d86fd585c83231e078d6886280f82b03a95a64c196808e05a58 |
|---|---|
| Markdown | 0370bb6ae6a3b6571371447e85a071858f6c5aea1ca543c67ca266414bb36cba |
| Publication page | 3bf7377bc342291eecc2ab518d7e1e33417191f945859acc75c986ffeff8250b |
| Manifest | 4d86b53e02661c753ad5d9723c8e24b68e9edf1e42361b815c10fa7c79f9817e |
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 | ej5pumBhq9L0sOwp33fPK+/x52zX1vNVcE86wFL9h9IoCbtjpVbsLqip2L503u4+bcAuVFqx9fEll+lX+XWhAg== |
| 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
| 2026-10-13T08:41:51.682947Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055355observed 3bf7377bc342291eecc2ab518d7e1e33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T08:41:51.594471Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055355/manifest.jsonobserved 4d86b53e02661c753ad5d9723c8e24b6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:51.521546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055355/publication.mdobserved 0370bb6ae6a3b6571371447e85a07185...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:51.350102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055355/publication.txtobserved cf6ce2fd20219d86fd585c83231e078d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T08:41:59.350593Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055355observed 3bf7377bc342291eecc2ab518d7e1e33...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T08:41:59.258730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055355/manifest.jsonobserved 4d86b53e02661c753ad5d9723c8e24b6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T08:41:59.159439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055355/publication.mdobserved 0370bb6ae6a3b6571371447e85a07185...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T08:41:59.079204Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055355/publication.txtobserved cf6ce2fd20219d86fd585c83231e078d...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|