OT-2026-000021740
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000021740) never changes.
Identity and time
| Publication number | OT-2026-000021740 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7160-9894-fa3748e9b6a0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021740 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0607e5ecf89b9852eec5c7a2a2875e534d2664187f85db7c6797c1a4b58fd850 |
|---|---|
| Markdown | b2e384b2581ae63b5180d3fc9e59859077524637a6b702212f3a1917641f2541 |
| Publication page | eeb7a7a1b4e41f7effebba7b93cd1cfc0424acd93680dd59b75152a3400ccc2c |
| Manifest | d95f1999df062190176ef17f94804ca72327c0aec1a57ac17b90492d32fc37b5 |
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 | kHRs9HMxq2iIuA2+wuhGc3crYS7ecTpw/badDBcRcKzhlkIBFvRx/lPdqKO7GdAsn6IfhQ3+hH73PcwPrTUJCQ== |
| 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
| 2026-09-17T11:54:16.861125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021740observed eeb7a7a1b4e41f7effebba7b93cd1cfc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:16.841721Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021740/manifest.jsonobserved d95f1999df062190176ef17f94804ca7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:16.821051Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021740/publication.mdobserved b2e384b2581ae63b5180d3fc9e598590...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:16.803623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021740/publication.txtobserved 0607e5ecf89b9852eec5c7a2a2875e53...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|