OT-2026-000055469
Publication integrity record
Single cup vacuum gripper, pump fed, supply line pressure sensor, vented 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-2026-000055469) never changes.
Identity and time
| Publication number | OT-2026-000055469 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a102-71bd-aaf1-e8dc2c0f017f · 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-2026-000055469 |
| Status | PUBLIC |
Content hashes
| Canonical text | 64694a968daeb8dcc52b7efd3d45e8d32c95c2b46ee11b4163852499c8a23cc7 |
|---|---|
| Markdown | 5b1f4de4d5a4809c805dcdffde371524e12342071efbd7a9bb005f857a5aed5d |
| Publication page | f1a2414b9c902059f4a0d34de776060de6502e48c085a71f42812d6ef379e3c4 |
| Manifest | a1a4904750875f4ca6d331480bb4b2c9804c055ac69084feb44a33dd77bfc559 |
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 | HU4/l5E4zzQ074QKQELs6VASZtu24cQxLAR+1ntwceFQR/g+qLL/M+KpdZiCZBe3sVB0faNY+doMk32c1/XxAg== |
| 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
| 2026-09-23T08:41:45.593382Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055469observed f1a2414b9c902059f4a0d34de776060d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-23T08:41:45.521441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055469/manifest.jsonobserved a1a4904750875f4ca6d331480bb4b2c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:45.438102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055469/publication.mdobserved 5b1f4de4d5a4809c805dcdffde371524...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T08:41:45.369199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055469/publication.txtobserved 64694a968daeb8dcc52b7efd3d45e8d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:07.849974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055469observed f1a2414b9c902059f4a0d34de776060d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:07.827493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055469/manifest.jsonobserved a1a4904750875f4ca6d331480bb4b2c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:07.809808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055469/publication.mdobserved 5b1f4de4d5a4809c805dcdffde371524...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:52:07.790970Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055469/publication.txtobserved 64694a968daeb8dcc52b7efd3d45e8d3...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
| 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 |
|---|