OT-2026-000091036
Publication integrity record
Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000091036) never changes.
Identity and time
| Publication number | OT-2026-000091036 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c012-78d0-bb12-21439b72e053 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091036 |
| Status | PUBLIC |
Content hashes
| Canonical text | 543113d18c37adc69ab19d846ba9e3c4eecb3a7b6221ffc9f75a2616277fb317 |
|---|---|
| Markdown | de435cafbc7373271fe9337e0ce4a7f877da3bfefb1c06815201cf1270fd6cb5 |
| Publication page | 035c7a0e082f2c7bf404fb4387f77438a2857ed482aad5a512c98b4fbc5b7f98 |
| Manifest | fa3ad042ef2f02ec8fc14e3c3c37e16019cd795c2f2a2fb0a46f27e4cb81f624 |
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 | pe5RbKBehrFTkItaKSoJ7/0eygieWZRbh1GNByt/Wz43Tqv498eXtfGAcaw7bDBde/e4DlA4I/Qt9rga9TLzCg== |
| 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
| 2026-10-07T04:41:34.702544Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091036observed 035c7a0e082f2c7bf404fb4387f77438...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-07T04:41:34.648978Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091036/manifest.jsonobserved fa3ad042ef2f02ec8fc14e3c3c37e160...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T04:41:34.590927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091036/publication.mdobserved de435cafbc7373271fe9337e0ce4a7f8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T04:41:34.535598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091036/publication.txtobserved 543113d18c37adc69ab19d846ba9e3c4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:41:59.758396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091036observed 035c7a0e082f2c7bf404fb4387f77438...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:41:59.687821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091036/manifest.jsonobserved fa3ad042ef2f02ec8fc14e3c3c37e160...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:41:59.605368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091036/publication.mdobserved de435cafbc7373271fe9337e0ce4a7f8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:41:59.507179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091036/publication.txtobserved 543113d18c37adc69ab19d846ba9e3c4...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 |
|---|