OT-2026-000022019
Publication integrity record
Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000022019) never changes.
Identity and time
| Publication number | OT-2026-000022019 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5c-7acf-9548-6c18e5ab792b · 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-2026-000022019 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1819a6a6f9516dc746c35a7569eafcfa974e5aaed68095f8ea8d8a8a215f69b5 |
|---|---|
| Markdown | fecfaf6b0472b9bc0cabbc29bf59807492b9d8244d3e24eedc1bdb931d85571a |
| Publication page | 15e7fc513b0ead11a928a3c24acd429818088d96685b04e50e26835654133648 |
| Manifest | 026b40fc92460f27fa036caf0d0e8f0ae18668c2826987a92957d65b1ea295b6 |
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 | 6R3lxFLuFgFOAflwAZnub+9HQ/hFscE7EgIo+lFh9nvDgMbWX/VVo/J8q+ipS3s4AzR9GMBTp8GLQAxnSiz+Bg== |
| 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
| 2026-09-17T11:54:42.204640Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022019observed 15e7fc513b0ead11a928a3c24acd4298...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:42.185406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022019/manifest.jsonobserved 026b40fc92460f27fa036caf0d0e8f0a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:42.168179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022019/publication.mdobserved fecfaf6b0472b9bc0cabbc29bf598074...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:42.150709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022019/publication.txtobserved 1819a6a6f9516dc746c35a7569eafcfa...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. |
|---|