OT-2026-000054803
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000054803) never changes.
Identity and time
| Publication number | OT-2026-000054803 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1285-7ee1-8ebd-4a58ca349d86 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:17.489937Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054803 |
| Status | PUBLIC |
Content hashes
| Canonical text | da9c0b018db9e562a6e9b746f2b3b3d345b2495e65ac5d53bbb4a3f7be32a360 |
|---|---|
| Markdown | de5c02192d91437ca58d5c59bf0bbe767ec0e88ddabaa07134571033b6891940 |
| Publication page | a7e6a0c94f34b457a70af5985cd0ee69366a7ce1d362e58e8f37ac45ec9f4318 |
| Manifest | eb3ef1e5d4109f3c1d98f64cb36867462a6e00d3ded14c36289ecbd4d89187c5 |
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 | djSFr5sgrHDYzxyOkwyzYnx159QSt8436MOfJnfdhhi5wUCmq9ecRd9cZtfaRrSxAxG09x8I7j/ymy8eZgUeBw== |
| 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
| 2026-10-28T08:42:03.010466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054803observed a7e6a0c94f34b457a70af5985cd0ee69...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T08:42:02.894128Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054803/manifest.jsonobserved eb3ef1e5d4109f3c1d98f64cb3686746...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T08:42:02.834137Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054803/publication.mdobserved de5c02192d91437ca58d5c59bf0bbe76...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T08:42:02.769117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054803/publication.txtobserved da9c0b018db9e562a6e9b746f2b3b3d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T04:41:41.405830Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054803observed a7e6a0c94f34b457a70af5985cd0ee69...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T04:41:41.327763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054803/manifest.jsonobserved eb3ef1e5d4109f3c1d98f64cb3686746...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T04:41:41.271957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054803/publication.mdobserved de5c02192d91437ca58d5c59bf0bbe76...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-15T04:41:41.135185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054803/publication.txtobserved da9c0b018db9e562a6e9b746f2b3b3d3...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 |
|---|