OT-2026-000020147
Publication integrity record
Four cup vacuum gripper, four zone face, three stage ejector, 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-2026-000020147) never changes.
Identity and time
| Publication number | OT-2026-000020147 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7108-8f88-173d97c077fc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020147 |
| Status | PUBLIC |
Content hashes
| Canonical text | 669a74f557f2379e31c6f404f300dc3aed2ae25ba84abb1c4f7f41f822579c51 |
|---|---|
| Markdown | bc046517b9b42ace1cc2f212a374d7365124e1cade04efae890663489c88c183 |
| Publication page | fd618c47e6016a8a9c5e23521376435a14f7b7a37c049c377428de3f94a00405 |
| Manifest | 88af0a70121dc7417929270b9ad7baad248bce6c62937dce7f793afde1e5fd51 |
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 | Rv6guSqAq5HBomdBZjxLxBbq8kSn6aFPHBQrrfTlSpucN/i9DRdNnIsZK1oqFmXV308KO3igmjOTyahU6ezsAg== |
| 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
| 2026-09-17T11:56:27.665754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020147observed fd618c47e6016a8a9c5e23521376435a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:27.643633Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020147/manifest.jsonobserved 88af0a70121dc7417929270b9ad7baad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:27.623314Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020147/publication.mdobserved bc046517b9b42ace1cc2f212a374d736...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:27.601243Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020147/publication.txtobserved 669a74f557f2379e31c6f404f300dc3a...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. |
|---|