OT-2026-000021970
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, single stage ejector, sustained 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-2026-000021970) never changes.
Identity and time
| Publication number | OT-2026-000021970 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-75c4-943d-6588cba3f56d · 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-2026-000021970 |
| Status | PUBLIC |
Content hashes
| Canonical text | d569a4ec2df54ee2538607a3fd8c7b9a989a487db931a46afd35e86afd06a125 |
|---|---|
| Markdown | 7847442fbf080a37f6d5f0b1f279f39da4d20f94af64fe277f5237025f1ca323 |
| Publication page | ae9cfdf130e75142f41d66223ac6df70768c4f9492d36a62a6053ab33dca4b34 |
| Manifest | 09d5e1b842e392bf6ad1628e48f7d1597256e364b81cf1e925fdc966cbd2e970 |
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 | /sKvW5KDcDBBltvIp7rEkqMGSOuEVhV6ykrIXPfdZ3HIgzXruVJ8EfHZvkM03TdNyul4GVZZNp/24ysaLcR8CA== |
| 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
| 2026-09-17T11:54:38.472475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021970observed ae9cfdf130e75142f41d66223ac6df70...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:38.453482Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021970/manifest.jsonobserved 09d5e1b842e392bf6ad1628e48f7d159...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:38.437915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021970/publication.mdobserved 7847442fbf080a37f6d5f0b1f279f39d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:38.422022Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021970/publication.txtobserved d569a4ec2df54ee2538607a3fd8c7b9a...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. |
|---|