OT-2026-000075290
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000075290) never changes.
Identity and time
| Publication number | OT-2026-000075290 · never reused |
|---|---|
| Internal UUID | 01a0ae93-f200-7460-8352-71168142a094 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:26.476108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075290 |
| Status | PUBLIC |
Content hashes
| Canonical text | d8787ac9d1fdc99956e01ba55d25bb72a15e4c757699971f104f02f2651c32c8 |
|---|---|
| Markdown | 4ff4b90c479375ecaf06e09bca7f26c5cae60946e3defd339e8aaf81d0dc0106 |
| Publication page | 19d093330f87bc03aa01de98147251ed6188f4798dea983341cb7b68f59d4261 |
| Manifest | 8ce84d93588964d39a1ebf567a092457f61d0113e1ca8f68bcbc781954b96836 |
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 | z1aL0st23EG4Z2N449zIMikivQzzBs1y+K9l0WG3e92exK5/AkPSpfwuaokOyz0T4tZyz8v8lYAyVW52s/JHAw== |
| 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
| 2026-10-17T04:23:42.777513Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075290observed 19d093330f87bc03aa01de98147251ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T04:23:42.759015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075290/manifest.jsonobserved 8ce84d93588964d39a1ebf567a092457...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:23:42.743823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075290/publication.mdobserved 4ff4b90c479375ecaf06e09bca7f26c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-17T04:23:42.688116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075290/publication.txtobserved d8787ac9d1fdc99956e01ba55d25bb72...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-11T04:41:55.581688Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075290observed 19d093330f87bc03aa01de98147251ed...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T04:41:55.503466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075290/manifest.jsonobserved 8ce84d93588964d39a1ebf567a092457...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T04:41:55.429549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075290/publication.mdobserved 4ff4b90c479375ecaf06e09bca7f26c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T04:41:55.259220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075290/publication.txtobserved d8787ac9d1fdc99956e01ba55d25bb72...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 |
|---|