OT-2026-000021618
Publication integrity record
Foam pad vacuum gripper, two 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-2026-000021618) never changes.
Identity and time
| Publication number | OT-2026-000021618 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7f67-b8d3-e01128ee0302 · 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-2026-000021618 |
| Status | PUBLIC |
Content hashes
| Canonical text | e95ff4d8cedfc3802050326dfe894fca23163bc3bc5fe7956b72181dd08619d9 |
|---|---|
| Markdown | caec5b3d4c3a39b81134e0503457b857cfb9e2dd74b74a107037bb2922410645 |
| Publication page | b77d68ac24a52d0d7f2433a61cef8e74676128da2f8b9c6a2200bb89685e3776 |
| Manifest | 9d252e62fccda32dec893cf36e7d434d8f3bdfea106c69501b61fff8e70b4501 |
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 | RBhNbwJ1/FRRcWdRlcIkL3icAvKPqdr2/q7kLq8iJ8LEfplOg6hKFlmonzNed20DfE4w8T1h2CJxJhmV8EaRCg== |
| 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
| 2026-09-17T11:54:08.594952Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021618observed b77d68ac24a52d0d7f2433a61cef8e74...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:08.575308Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021618/manifest.jsonobserved 9d252e62fccda32dec893cf36e7d434d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:08.554938Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021618/publication.mdobserved caec5b3d4c3a39b81134e0503457b857...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:08.536903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021618/publication.txtobserved e95ff4d8cedfc3802050326dfe894fca...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. |
|---|