OT-2026-000018694
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed 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-2026-000018694) never changes.
Identity and time
| Publication number | OT-2026-000018694 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d520-7d20-8a74-44185421df9b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:54.261386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018694 |
| Status | PUBLIC |
Content hashes
| Canonical text | 38d7c8fe95ab9f4278d1b5c7599e3b8416390fdca8e9367598fb3ee69a15f448 |
|---|---|
| Markdown | 49c7bd4db68e249025b2f2984d3b65316d4dac33788cb4e3d2500f7cab9c9c2c |
| Publication page | b488239e258e5b778773ac621f50968c0f0d5fdf1b301c8ad9ddc6a6e611544a |
| Manifest | 1f82cb31f7950c9f252efba32d21232a805d5db9924c5a4f769e385dd6e430af |
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 | ZT+evgXu006ZAgTq+vyw0rvtP5zaw4mqRdma1xBxhkWfwgvQMJW0a+K4bgnYm9HgyEeNDGwgBozmSxdgrxP0AQ== |
| 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
| 2026-10-13T16:41:27.545156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018694observed b488239e258e5b778773ac621f50968c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T16:41:27.399985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018694/manifest.jsonobserved 1f82cb31f7950c9f252efba32d21232a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T16:41:27.328345Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018694/publication.mdobserved 49c7bd4db68e249025b2f2984d3b6531...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T16:41:27.172955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018694/publication.txtobserved 38d7c8fe95ab9f4278d1b5c7599e3b84...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T20:41:53.947897Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018694observed b488239e258e5b778773ac621f50968c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T20:41:53.835726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018694/manifest.jsonobserved 1f82cb31f7950c9f252efba32d21232a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T20:41:53.725204Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018694/publication.mdobserved 49c7bd4db68e249025b2f2984d3b6531...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-01T20:41:53.611082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018694/publication.txtobserved 38d7c8fe95ab9f4278d1b5c7599e3b84...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 |
|---|