OT-2026-000080541
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, pump fed, sustained 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-2026-000080541) never changes.
Identity and time
| Publication number | OT-2026-000080541 · never reused |
|---|---|
| Internal UUID | 01a0ae96-7e79-7cb5-8e04-3b0a4727bbcb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:13.512436Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000080541 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7a79e53a996c0af9623122be323f78e8a2bd689bec6fbfc6b77c802557d00446 |
|---|---|
| Markdown | 6b07b27ced88f6d775478544822b65f77dbef00cfc1a744017adc7abcdf5734d |
| Publication page | fd574f65cfa8cfb82ebfe7d291a97aefce67a333fb8161bffb9d8a9ce57e1af8 |
| Manifest | 5ae910b079a54b306d3a5cf1b71b82198e9446481dd14a0841d7814a513dac01 |
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 | gI8Kj3Ojl37ERLz/gvJtdwrsZJ3j8oXs0OiggXM0rdg4DoMKi9rKXVWhUHJ3jg+fCLKB8qBDsgeHgcLgnxMwDg== |
| 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
| 2026-10-23T08:41:49.206831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080541observed fd574f65cfa8cfb82ebfe7d291a97aef...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T08:41:49.131585Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080541/manifest.jsonobserved 5ae910b079a54b306d3a5cf1b71b8219...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:41:49.051079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080541/publication.mdobserved 6b07b27ced88f6d775478544822b65f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:41:48.963873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080541/publication.txtobserved 7a79e53a996c0af9623122be323f78e8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:41:47.475116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080541observed fd574f65cfa8cfb82ebfe7d291a97aef...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:41:47.374218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080541/manifest.jsonobserved 5ae910b079a54b306d3a5cf1b71b8219...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:41:47.230153Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080541/publication.mdobserved 6b07b27ced88f6d775478544822b65f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:41:47.105827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000080541/publication.txtobserved 7a79e53a996c0af9623122be323f78e8...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 |
|---|