OT-2026-000020943
Publication integrity record
Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed blow-off before set-down
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-2026-000020943) never changes.
Identity and time
| Publication number | OT-2026-000020943 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-720f-a6dd-4119e4036ca1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020943 |
| Status | PUBLIC |
Content hashes
| Canonical text | f8135037fb808fde04af6b947a736a9f10a051be1ae3172fadf2eb50230ae3ee |
|---|---|
| Markdown | 0f405e9c38ba81eb65a8e4018973d7c5b521082b7ff592ca73056d9b6999f6d4 |
| Publication page | c69cf9e7b7b8f0531f8012be8d77134d7460b377e83e989b0234c7cb8d46602a |
| Manifest | 407ac472a9c48a4422381455239b03ff9ee4c3e6e3d53791c96989b5cbf7e9c5 |
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 | Bpnrf9iGoVA+v4E9CcRLg9tJW/1ZATfnKCh7lBebhh8Uvj8Vir+tzDOxaHp000MVNRQkrBHG4jj3R31GyLZVAw== |
| 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
| 2026-10-06T08:41:36.819808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020943observed c69cf9e7b7b8f0531f8012be8d77134d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-06T08:41:36.758856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020943/manifest.jsonobserved 407ac472a9c48a4422381455239b03ff...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:36.691267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020943/publication.mdobserved 0f405e9c38ba81eb65a8e4018973d7c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T08:41:36.619454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020943/publication.txtobserved f8135037fb808fde04af6b947a736a9f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:20.191140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020943observed c69cf9e7b7b8f0531f8012be8d77134d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:20.119713Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020943/manifest.jsonobserved 407ac472a9c48a4422381455239b03ff...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:20.049640Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020943/publication.mdobserved 0f405e9c38ba81eb65a8e4018973d7c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-25T04:41:19.941343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020943/publication.txtobserved f8135037fb808fde04af6b947a736a9f...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 |
|---|