OT-2026-000089280
Publication integrity record
Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000089280) never changes.
Identity and time
| Publication number | OT-2026-000089280 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-db01-7c32-8808-b91e465db37d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:04.880043Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000089280 |
| Status | PUBLIC |
Content hashes
| Canonical text | a881376b2edc85b9d73027364b2498ec9be6b1c28ebdd5d8fae25e6ba3ad7240 |
|---|---|
| Markdown | bb18a2c6f5d02a263406970bd44e1c13d6d3646f2e931efcfa83b30ef84b5852 |
| Publication page | 1e54ca1ec957030d2ed4af1cee7d809f0c3abf375ab11415e08eeee7411dcc33 |
| Manifest | 5b00af109111dd58eb3e94a02ae50317385607fc966f5d5933db6e2575ebeb4b |
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 | aSOSLvXVUt+X1FRYRrlalbrxw0/cikvUrX4Qn9VhsaoTcBv5T2Fp1Q7pvi3PwBPSU/VbybTB+cewd++nJaOLBA== |
| 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
| 2026-10-19T04:41:23.373098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089280observed 1e54ca1ec957030d2ed4af1cee7d809f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T04:41:23.314997Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089280/manifest.jsonobserved 5b00af109111dd58eb3e94a02ae50317...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T04:41:23.250048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089280/publication.mdobserved bb18a2c6f5d02a263406970bd44e1c13...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T04:41:23.130351Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089280/publication.txtobserved a881376b2edc85b9d73027364b2498ec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:47.229852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089280observed 1e54ca1ec957030d2ed4af1cee7d809f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:47.166244Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089280/manifest.jsonobserved 5b00af109111dd58eb3e94a02ae50317...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:47.114996Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089280/publication.mdobserved bb18a2c6f5d02a263406970bd44e1c13...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-21T08:41:47.033661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089280/publication.txtobserved a881376b2edc85b9d73027364b2498ec...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 |
|---|