OT-2026-000026818
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000026818) never changes.
Identity and time
| Publication number | OT-2026-000026818 · never reused |
|---|---|
| Internal UUID | 01a0ae72-3451-7da4-868e-df10830f1bb4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:35.358864Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026818 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3f3159324b6c483e8a9ee66505a6b020557b2f77992eebae316db1cb8e017653 |
|---|---|
| Markdown | ff8ed940b3f13f7205dfffa501dd6b91579a530dfd99d2fb5623ca25195e3c39 |
| Publication page | 8ad7ab9afcd5e064ebb0c67967267d7b721c9a4a160c4467073eb20a31a0e15a |
| Manifest | 5bf2e216ba6568d23619f54ec057546d9c4209bce9831291c87d88fe5bd73b9c |
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 | FcH7OuqtuK2upAw6e37t9KEigtCSZTu8bbZ9w/yLIcw0OOV2s3bvPp8S9bk0Ani1ZbbpMpstVw/PQENtJlYGDw== |
| 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
| 2026-10-02T00:41:14.791884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026818observed 8ad7ab9afcd5e064ebb0c67967267d7b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-02T00:41:14.707849Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026818/manifest.jsonobserved 5bf2e216ba6568d23619f54ec057546d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:14.575084Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026818/publication.mdobserved ff8ed940b3f13f7205dfffa501dd6b91...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:14.430960Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026818/publication.txtobserved 3f3159324b6c483e8a9ee66505a6b020...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:41:45.396154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026818observed 8ad7ab9afcd5e064ebb0c67967267d7b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:41:45.191930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026818/manifest.jsonobserved 5bf2e216ba6568d23619f54ec057546d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:41:44.948686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026818/publication.mdobserved ff8ed940b3f13f7205dfffa501dd6b91...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:41:44.652071Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026818/publication.txtobserved 3f3159324b6c483e8a9ee66505a6b020...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 |
|---|