OT-2026-000074333
Publication integrity record
Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000074333) never changes.
Identity and time
| Publication number | OT-2026-000074333 · never reused |
|---|---|
| Internal UUID | 01a0ae93-7179-7f96-8756-a0fea7908c90 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:53.574555Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074333 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8a7035a98cf16b94eb59c1bb9466ab8eb40e7f8fc4d2f00fa48b7a729b11d00f |
|---|---|
| Markdown | a74bca0c39e2d82dd6f43d654cff70319fc2ca146830f801d6c671f892a682f0 |
| Publication page | 5006d234ecb54569efb0195c0496ef0cc7bb1c924f7997dd556d46f8ec180e52 |
| Manifest | 17d3da36b84ff7e5530103dfc235161b005e696faaf34cf082797b0712557157 |
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 | oVytPYtaZMc5V1Ko+IRg3mARd/cq5CVUpWBGZVXVhzlwZ0+HjMOALwy1EbbwEASjxzgOOdrO66lCB3DB7hjCDg== |
| 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
| 2026-10-20T08:41:30.404546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074333observed 5006d234ecb54569efb0195c0496ef0c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T08:41:30.304354Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074333/manifest.jsonobserved 17d3da36b84ff7e5530103dfc235161b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T08:41:30.223148Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074333/publication.mdobserved a74bca0c39e2d82dd6f43d654cff7031...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T08:41:30.043387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074333/publication.txtobserved 8a7035a98cf16b94eb59c1bb9466ab8e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T08:41:46.120128Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074333observed 5006d234ecb54569efb0195c0496ef0c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T08:41:46.014246Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074333/manifest.jsonobserved 17d3da36b84ff7e5530103dfc235161b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T08:41:45.925941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074333/publication.mdobserved a74bca0c39e2d82dd6f43d654cff7031...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T08:41:45.824139Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074333/publication.txtobserved 8a7035a98cf16b94eb59c1bb9466ab8e...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 |
|---|