OT-2026-000049988
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000049988) never changes.
Identity and time
| Publication number | OT-2026-000049988 · never reused |
|---|---|
| Internal UUID | 01a0ae81-fd78-7cd4-a810-308c7a913794 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:49.774136Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049988 |
| Status | PUBLIC |
Content hashes
| Canonical text | 06759d2f92760fff6dc2465c9b9253f29d836198abb67a425aa2df2956fc3e5a |
|---|---|
| Markdown | ebd2b92172bcac91e7477b6cb95d10154c91dff0b3086b8c08bf31df21f2f921 |
| Publication page | 7fc84d9219e6ac32f26d9998afa8b44ca8a742c8f23b8d45aa5fd494a4b6e6c3 |
| Manifest | b5fc840d634029805141265f5060ec2b73be42fb940a03c884b04c210bf9f843 |
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 | u9lJjYJv3IGXLkV9haV6Nl1b5E+6NXTVCS4i/VsLkGNhoKLtoNucQm9sxg83dYVCnB+KXN0RZmV+NK+Dm/0cAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-25T04:23:18.020552Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049988observed 7fc84d9219e6ac32f26d9998afa8b44c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T04:23:17.998383Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049988/manifest.jsonobserved b5fc840d634029805141265f5060ec2b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:23:17.981315Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049988/publication.mdobserved ebd2b92172bcac91e7477b6cb95d1015...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:23:17.952929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049988/publication.txtobserved 06759d2f92760fff6dc2465c9b9253f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-18T08:41:32.887192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049988observed 7fc84d9219e6ac32f26d9998afa8b44c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T08:41:32.830866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049988/manifest.jsonobserved b5fc840d634029805141265f5060ec2b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T08:41:32.771220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049988/publication.mdobserved ebd2b92172bcac91e7477b6cb95d1015...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T08:41:32.711433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049988/publication.txtobserved 06759d2f92760fff6dc2465c9b9253f2...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 |
|---|