OT-2026-000021687
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000021687) never changes.
Identity and time
| Publication number | OT-2026-000021687 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7d6f-97fb-576720b2a56a · 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-2026-000021687 |
| Status | PUBLIC |
Content hashes
| Canonical text | cf634ff61da7c7fb5a87d8dd060c910679eede20fb61efacf2f7a69e452a8a0a |
|---|---|
| Markdown | dac05972fa4edea4683b0bbae4e05c14358dda5faeaf1e6ea2e35179d9a863cc |
| Publication page | cd81827033c8c45e50f1fe7826462a471c4288db22d2307d9c3b4e37d332df28 |
| Manifest | 3ad2361c22795de9ce4a74f94b98f542f9d10222db1aa486bd9cc27c4f25d199 |
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 | LcPk3VxCqAUlXF8EfMiV6CJJxCCj23IDNx+Fd8cKQxHrdLDwVchyW8NojJDPCknNK9s8F/kSqxI8KjqI+QTdDw== |
| 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
| 2026-09-17T11:54:13.366673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021687observed cd81827033c8c45e50f1fe7826462a47...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:13.348573Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021687/manifest.jsonobserved 3ad2361c22795de9ce4a74f94b98f542...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:13.330260Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021687/publication.mdobserved dac05972fa4edea4683b0bbae4e05c14...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:13.313746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021687/publication.txtobserved cf634ff61da7c7fb5a87d8dd060c9106...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. |
|---|