OT-2026-000052287
Publication integrity record
Four cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000052287) never changes.
Identity and time
| Publication number | OT-2026-000052287 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e791-7eab-a1bd-40a2fcf67ad3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052287 |
| Status | PUBLIC |
Content hashes
| Canonical text | 806e917cfd570376ddba8acd1b09a840643de6d7024f9a01ac9e0cd521d6961c |
|---|---|
| Markdown | 77acfc88aa58ed464747011efc310df6688437c5d2db308ef6870d16aafdb94f |
| Publication page | 2d788bde99c48559fad5e3f0dec7cf93ceef5957f6748b9da9ad62960b383601 |
| Manifest | 5c8758fef98591b298bcdbfd3dd17c2430bbf3c34b6c051fb05e7eda30e55b19 |
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 | bXdTOh4PUYNp5nu2Myp06Axyblpc9V0SdWOQE9i41Z44T8lEl4MdU5EjH+sm5rCJ9DdDlITuyKwifzcM9eDwBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-17T00:41:36.900156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052287observed 2d788bde99c48559fad5e3f0dec7cf93...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-17T00:41:36.846255Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052287/manifest.jsonobserved 5c8758fef98591b298bcdbfd3dd17c24...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T00:41:36.789337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052287/publication.mdobserved 77acfc88aa58ed464747011efc310df6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-17T00:41:36.667422Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052287/publication.txtobserved 806e917cfd570376ddba8acd1b09a840...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T20:42:17.306924Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052287observed 2d788bde99c48559fad5e3f0dec7cf93...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T20:42:17.199762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052287/manifest.jsonobserved 5c8758fef98591b298bcdbfd3dd17c24...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T20:42:16.994435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052287/publication.mdobserved 77acfc88aa58ed464747011efc310df6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T20:42:16.895564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052287/publication.txtobserved 806e917cfd570376ddba8acd1b09a840...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 |
|---|