OT-2026-000028679
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, 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-2026-000028679) never changes.
Identity and time
| Publication number | OT-2026-000028679 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-72d7-941c-f28317ec6ecb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028679 |
| Status | PUBLIC |
Content hashes
| Canonical text | 69a103486bf2e0173938c7a3a0e4de81ff730987bcb4052cd81d8ea91d37e6bb |
|---|---|
| Markdown | d667ae9e74bebeefd0f3a2d0fa113812145c04821ba9e260c9f24c2c5cac5cbf |
| Publication page | 2a3f635e89aac9baec5c6c007db384e36db265d38ad9bfbfd6b4e0badc345305 |
| Manifest | d4510021d17057f40b85dc7bd79f956a81b91648ebcc6599e136fd1464d41ec5 |
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 | XETepNxQNM3amoMOQ+i4YkJFEs6FNMr8n3X3YwxKrQlwmsdidWIwYLViTv9UzgX5Lv6nlMyXwGzym1BjwRGwDg== |
| 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
| 2026-09-17T11:41:34.158827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028679observed 2a3f635e89aac9baec5c6c007db384e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:34.140348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028679/manifest.jsonobserved d4510021d17057f40b85dc7bd79f956a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:34.120081Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028679/publication.mdobserved d667ae9e74bebeefd0f3a2d0fa113812...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:34.099675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028679/publication.txtobserved 69a103486bf2e0173938c7a3a0e4de81...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. |
|---|