OT-2026-000088042
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000088042) never changes.
Identity and time
| Publication number | OT-2026-000088042 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-1aa7-7823-9719-f706ee448148 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:03:15.638297Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000088042 |
| Status | PUBLIC |
Content hashes
| Canonical text | f60f1cf2788fded178b6ca297a1e66aa49a0b2aa72534a980d56eb3aa50ee6c9 |
|---|---|
| Markdown | ba0db6025debc1c232535a21b3f382e61b0f94a6ae77ac8c80fadbd86e81bf86 |
| Publication page | 7f227f0c4d6b9c310d08b51a837e6a83e3c6e8f4a1e02766163a67ec6f74643e |
| Manifest | 2b0b49bf563ed74083ddef6b6294ff0b5276014adf67820dd4495c5cf3c35927 |
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 | Xmm40Bh9sJhQy8fnyJiYHVhtYVUC7X5qGySFyb1cxQ8d0LGhgi/Ww9t//JpRIXD1pMdK3skYyuoNx+Kz2uZBCw== |
| 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
| 2026-10-21T08:41:44.801497Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088042observed 7f227f0c4d6b9c310d08b51a837e6a83...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T08:41:44.687253Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088042/manifest.jsonobserved 2b0b49bf563ed74083ddef6b6294ff0b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T08:41:44.518576Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088042/publication.mdobserved ba0db6025debc1c232535a21b3f382e6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T08:41:44.344841Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088042/publication.txtobserved f60f1cf2788fded178b6ca297a1e66aa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:42:04.046923Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088042observed 7f227f0c4d6b9c310d08b51a837e6a83...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:42:03.987473Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088042/manifest.jsonobserved 2b0b49bf563ed74083ddef6b6294ff0b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:42:03.914864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088042/publication.mdobserved ba0db6025debc1c232535a21b3f382e6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T04:42:03.710040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088042/publication.txtobserved f60f1cf2788fded178b6ca297a1e66aa...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 |
|---|