OT-2026-000088921
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, three 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-2026-000088921) never changes.
Identity and time
| Publication number | OT-2026-000088921 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-8f11-7acd-a298-f734e5460471 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:03:45.441378Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000088921 |
| Status | PUBLIC |
Content hashes
| Canonical text | dad612f028b03279072c2de3a46aab6dfca7809f08cad9ae7e72dfcf33ac221f |
|---|---|
| Markdown | efa77ea877eb19b6035bb016d807a874da582c495f12318660eb0c1aa7558c99 |
| Publication page | d27a9b3cdd4ad679bf0b689173561434b2dc3e514f46938daf4665de6001e8c8 |
| Manifest | 0517acacf334ff34598ab8bd127374b19307f897f996676ae4304821d422ad11 |
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 | jQcH4MjnUqnMuAa80kGTjSmljc7yzXI/+lQc2TRrYKVXzxrD4pRA1q/XTLDhBRBK0JLlt0TEObsYU9JRDVWxAA== |
| 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... |
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Independent retrieval
| 2026-10-16T00:42:09.539509Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088921observed d27a9b3cdd4ad679bf0b689173561434...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-16T00:42:09.453493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088921/manifest.jsonobserved 0517acacf334ff34598ab8bd127374b1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:42:09.349143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088921/publication.mdobserved efa77ea877eb19b6035bb016d807a874...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-16T00:42:09.222954Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088921/publication.txtobserved dad612f028b03279072c2de3a46aab6d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:30.467272Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088921observed d27a9b3cdd4ad679bf0b689173561434...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:30.386484Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088921/manifest.jsonobserved 0517acacf334ff34598ab8bd127374b1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:30.317871Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088921/publication.mdobserved efa77ea877eb19b6035bb016d807a874...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:30.242404Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000088921/publication.txtobserved dad612f028b03279072c2de3a46aab6d...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 |
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