OT-2026-000021601
Publication integrity record
Single cup vacuum gripper, common isolation valve, three 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-2026-000021601) never changes.
Identity and time
| Publication number | OT-2026-000021601 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7a9e-bae5-4d92076f47fa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021601 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4090338a32d0e6ed0dd9b7e7f45a3cde15d799d324f41a45479887547aaf2a0b |
|---|---|
| Markdown | 13f7b2a463d06087721967e1bbfcbd6824bfb858a3e7dfc657183aab9dc82ecb |
| Publication page | 2840eb733fc8f0c0bca79ab88429773be43d07e0d4bbfc2d68714408ab90d017 |
| Manifest | a50342de743d3d9d763eeee0f69a92a02f05a464589ce54481b643604b4018e0 |
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 | yC3GsajbMOR0bAVlZPMlb5fNxLuurZsjmEJwpQEDeIAi+MflZBfrhRORUM51xER3XGHN+/vvDnewXSVU6VlTDg== |
| 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
| 2026-09-17T11:54:56.927989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021601observed 2840eb733fc8f0c0bca79ab88429773b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:56.909952Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021601/manifest.jsonobserved a50342de743d3d9d763eeee0f69a92a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:56.883332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021601/publication.mdobserved 13f7b2a463d06087721967e1bbfcbd68...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:56.864880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021601/publication.txtobserved 4090338a32d0e6ed0dd9b7e7f45a3cde...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. |
|---|