OT-2026-000021859
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000021859) never changes.
Identity and time
| Publication number | OT-2026-000021859 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7ece-b777-4fa5a5b19088 · 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-2026-000021859 |
| Status | PUBLIC |
Content hashes
| Canonical text | 81f6ee5f2e7a0f43532b75c7e3bf9cb4a1a7370c2986a7770388619faed84234 |
|---|---|
| Markdown | 3bf8ce661d7e6e9d7a5ab97ad099a0ea5d9c546274087f7ea31c40257d2a9921 |
| Publication page | 9e1c5a2bdf6635f55ea5e99fea580caaf051914bd5c1d1ce1cd3e8d0ddf12ffa |
| Manifest | 383cb8a8cdb0408d9715bde4807377c2bcc061a29aae3f7ee6c4d7d06f612b26 |
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 | /8TjEJMirtQK0uiq2dDZ0d36bsWRCIvvEdYan2VUc2HawecsLyAx8oUPTjR/5JwLSTPjoY3B4TkFd/D3qs5eDg== |
| 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
| 2026-09-17T11:54:25.255162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021859observed 9e1c5a2bdf6635f55ea5e99fea580caa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:25.237890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021859/manifest.jsonobserved 383cb8a8cdb0408d9715bde4807377c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:25.219507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021859/publication.mdobserved 3bf8ce661d7e6e9d7a5ab97ad099a0ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:25.201772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021859/publication.txtobserved 81f6ee5f2e7a0f43532b75c7e3bf9cb4...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. |
|---|