OT-2026-000021821
Publication integrity record
Three cup vacuum gripper, three 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-2026-000021821) never changes.
Identity and time
| Publication number | OT-2026-000021821 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7a8f-9604-bc5b664a2eb9 · 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-2026-000021821 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0c2313d1fe5fea751673c10d34377e075ef921265d95b0542e903a1ddb832c94 |
|---|---|
| Markdown | e901bbcbe8f4283fa440d328bfa3dd6da30b85b34756013e243f424ebc8de781 |
| Publication page | e864e027d220c445e338b93b53251903cfdeed6fbdd44fcf1a51e69ff57a48cb |
| Manifest | 0ada850a61f824f8b224cc26f83adcbe22cf1a17d21dfd87440c784ffdb95db9 |
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 | GkUHv0ompahZS8FHrgrNZQoZgGgddJHr6XZPkn7FYGJxEl/1jjsZ1q0Q9RtYXdeWVhidkfu+LXvmf3VfCUjUCQ== |
| 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
| 2026-09-17T11:54:22.582637Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021821observed e864e027d220c445e338b93b53251903...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:22.565427Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021821/manifest.jsonobserved 0ada850a61f824f8b224cc26f83adcbe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:22.546199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021821/publication.mdobserved e901bbcbe8f4283fa440d328bfa3dd6d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:22.527708Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021821/publication.txtobserved 0c2313d1fe5fea751673c10d34377e07...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. |
|---|