OT-2026-000091733
Publication integrity record
Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000091733) never changes.
Identity and time
| Publication number | OT-2026-000091733 · never reused |
|---|---|
| Internal UUID | 01a0ae9d-43b9-7d53-894f-8b8b19777401 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:37.256105Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091733 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1c692ceacfdfcaad2e4d26f7257fb198b7abcfb0b92717b66ecff2d38158a76e |
|---|---|
| Markdown | c6d4be4b161b318c26e3b2a4f54e2d24fd8ab4f83918302aeca337f160a7b1b5 |
| Publication page | e8618c2e19963312cac9a6fe84a03c93eb5da3a173fd109171a1737deb3b5a7e |
| Manifest | 14675d100e7dcfee9876b3a247c6b0511b5818afacc113d73a32b8202cb432bc |
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 | sotcvm9WMGoKsbNFVf02PDXS56BfLVlOMkHr42tB0RulWeYJT088er1fnugMXmbcI18BMffmXxCe7NN88f1jCw== |
| 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
| 2026-10-19T04:41:14.709408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091733observed e8618c2e19963312cac9a6fe84a03c93...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T04:41:14.648263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091733/manifest.jsonobserved 14675d100e7dcfee9876b3a247c6b051...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T04:41:14.574644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091733/publication.mdobserved c6d4be4b161b318c26e3b2a4f54e2d24...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T04:41:14.474611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091733/publication.txtobserved 1c692ceacfdfcaad2e4d26f7257fb198...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:41:12.299333Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091733observed e8618c2e19963312cac9a6fe84a03c93...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:41:12.225356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091733/manifest.jsonobserved 14675d100e7dcfee9876b3a247c6b051...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:41:12.121099Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091733/publication.mdobserved c6d4be4b161b318c26e3b2a4f54e2d24...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:41:11.953652Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091733/publication.txtobserved 1c692ceacfdfcaad2e4d26f7257fb198...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 |
|---|