OT-2026-000062890
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, pump fed, vented after 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-2026-000062890) never changes.
Identity and time
| Publication number | OT-2026-000062890 · never reused |
|---|---|
| Internal UUID | 01a0ae8c-94a8-7338-9b64-170769db6e27 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:47:23.840289Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000062890 |
| Status | PUBLIC |
Content hashes
| Canonical text | 26554145d4d2df9529eec13711a9ec45ff56476fa91638ede1cde999d129b82f |
|---|---|
| Markdown | fd3897de1ac2995dfdaeb148c66ba86d132f17065687203b308114e15043531e |
| Publication page | 3f05915fba5ad589622d0f51d95736c9e84d0bfddf86feb480856e4ab72a8eeb |
| Manifest | afaac73b4f1b2f5146bb9cc26e9908f486644ddeee90d5ec2e04fe491a77677a |
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 | 51PKITTozkhBDxsHtjDMo4ITD5lyTd7BlfG/poJ17QEmtZ5aAxzyviJ/6hExGwCVUZ2GM5UvtzKQMnrjhOxQAg== |
| 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
| 2026-10-25T08:41:09.854278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000062890observed 3f05915fba5ad589622d0f51d95736c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T08:41:09.755191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000062890/manifest.jsonobserved afaac73b4f1b2f5146bb9cc26e9908f4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T08:41:09.636093Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000062890/publication.mdobserved fd3897de1ac2995dfdaeb148c66ba86d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T08:41:09.534722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000062890/publication.txtobserved 26554145d4d2df9529eec13711a9ec45...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T00:41:44.195475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000062890observed 3f05915fba5ad589622d0f51d95736c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T00:41:44.126452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000062890/manifest.jsonobserved afaac73b4f1b2f5146bb9cc26e9908f4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T00:41:44.028908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000062890/publication.mdobserved fd3897de1ac2995dfdaeb148c66ba86d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T00:41:43.869559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000062890/publication.txtobserved 26554145d4d2df9529eec13711a9ec45...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 |
|---|