OT-2026-000027004
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained 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-2026-000027004) never changes.
Identity and time
| Publication number | OT-2026-000027004 · never reused |
|---|---|
| Internal UUID | 01a0ae72-3453-7a8b-9198-7456ba52ed34 · 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-2026-000027004 |
| Status | PUBLIC |
Content hashes
| Canonical text | fe3d1cac4a923b2c965f51492e1b4ab3d0c488932a951aeb1579ec6da92ae9cc |
|---|---|
| Markdown | e62b0bca242b07b3a79892b49c85f4c2e5f59bb83f55064c24db5cadfcaf175c |
| Publication page | 010e19eb3798298695092a4c16db0be708678b7c144c598350a217cc8159ba5d |
| Manifest | 526053e375babf0acbe1ed528aa344f7a16ce3b80699e2b27b30cf9a6d50997d |
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 | WTcwZorYoMSS3TX7QdeI+ReAIg6isdsJF3+lvUXa7YeQO9QVIXgo4YmHSFW+TGeSQPCe443s/Zuvz5aAO483Dg== |
| 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
| 2026-10-23T08:42:02.694694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027004observed 010e19eb3798298695092a4c16db0be7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T08:42:02.605831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027004/manifest.jsonobserved 526053e375babf0acbe1ed528aa344f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:42:02.529364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027004/publication.mdobserved e62b0bca242b07b3a79892b49c85f4c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T08:42:02.451407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027004/publication.txtobserved fe3d1cac4a923b2c965f51492e1b4ab3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T00:41:32.922635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027004observed 010e19eb3798298695092a4c16db0be7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T00:41:32.873296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027004/manifest.jsonobserved 526053e375babf0acbe1ed528aa344f7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T00:41:32.811508Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027004/publication.mdobserved e62b0bca242b07b3a79892b49c85f4c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T00:41:32.739571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027004/publication.txtobserved fe3d1cac4a923b2c965f51492e1b4ab3...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 |
|---|