OT-2026-000021612
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000021612) never changes.
Identity and time
| Publication number | OT-2026-000021612 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7e0e-9143-f74c4be6dfad · 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-2026-000021612 |
| Status | PUBLIC |
Content hashes
| Canonical text | cd2b8b01d4373f368766bffa4a511d672c9b2b5e6ca138e0fce698dd78d1ce00 |
|---|---|
| Markdown | 757f8c1b2b00bda3833397d82430f7d346b6864128b9414a0dcc6492fd0d48c8 |
| Publication page | 2ae941cef1f646e888d6087ee1dcc458e2a9a37232d94185f83abad6f8275757 |
| Manifest | 7bba321413f0b413c76fae6fb73986d88dfcb632a85f50152d41f973432468eb |
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 | nGnROvg+NpBs672RM1I9fJD6mKWCA+QwsndZFAID2uLBbfKhSJFhT05/9FkxQlSVngAqFRfYPCe2654mtgBuBg== |
| 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
| 2026-09-17T11:54:08.339246Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021612observed 2ae941cef1f646e888d6087ee1dcc458...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:08.321384Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021612/manifest.jsonobserved 7bba321413f0b413c76fae6fb73986d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:08.300499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021612/publication.mdobserved 757f8c1b2b00bda3833397d82430f7d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:08.279671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021612/publication.txtobserved cd2b8b01d4373f368766bffa4a511d67...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. |
|---|